Have you ever stopped while typing and wondered whether the correct spelling is refer or reffer? You are not alone. The extra letter can seem tempting, especially because related forms such as referred and referring contain a doubled r.
The correct spelling is refer, with one f and one r at the end. Reffer is a misspelling in standard English.
The important part is understanding why the spelling changes in words such as referred and referring. Once you understand that pattern, it becomes much easier to use refer correctly in emails, essays, reports, conversations, and professional writing.
Refer or Reffer: Which One Is Correct?
The answer is straightforward: refer is correct, while reffer is incorrect when you mean the standard English verb.
The correct spelling is:
refer ✅
The incorrect spelling is:
reffer ❌
Refer is a standard English verb with several meanings, including mentioning something, directing someone to information, or sending someone to another person for assistance.
How Do You Spell Refer?
The word is spelled:
R-E-F-E-R
There is only one f and one r at the end of the base form.
For example:
- Please refer to the instructions.
- I will refer the matter to my manager.
- The article refers to several important studies.
- Can you refer me to someone who can help?
Is “Reffer” a Word?
In standard English, reffer is not the correct spelling of the verb refer. It is generally a spelling mistake caused by confusion with related forms such as referred and referring.
Therefore, when writing a school assignment, business email, article, report, or professional message, use refer, not reffer.
What Does “Refer” Mean?
The verb refer has several related meanings. Understanding them makes it easier to recognize when the word belongs in a sentence.
Refer Means “Mention or Talk About”
One common meaning of refer is to mention or talk about something.
For example:
The report refers to several recent studies.
Here, refers to means that the report mentions or discusses those studies.
Refer Means “Direct Someone to Information”
You can also use refer when directing someone toward a source of information.
For example:
Please refer to page 12 for more information.
The teacher referred us to the school handbook.
In this context, refer to means to look at or consult something for information.
Refer Means “Send Someone to Another Person”
Another common meaning is to direct someone to another person for assistance.
For example:
The doctor referred the patient to a specialist.
Customer support referred me to the technical department.
This meaning is especially common in healthcare, business, customer service, and professional communication.
Why Is “Refer” Sometimes Spelled With Double R?
This is where many spelling mistakes begin.
The base verb is:
refer
However, some grammatical forms contain a doubled r:
refer → referred
refer → referring
Notice what changes: the r doubles. The f does not.
Refer vs. Referred
The past tense of refer is referred.
Correct:
She referred me to another department.
Incorrect:
She refered me to another department. ❌
Also incorrect:
She reffered me to another department. ❌
The correct pattern is:
refer → referred
Refer vs. Referring
The present participle is referring.
Correct:
He is referring to the previous paragraph.
Incorrect:
He is refering to the previous paragraph. ❌
Also incorrect:
He is reffering to the previous paragraph. ❌
The correct pattern is:
refer → referring
A Simple Rule to Remember
Think of it this way:
Refer has one F. Referred and referring double the R.
This simple memory trick can help you avoid several common spelling errors.
Refer or Reffer in Real-Life Writing
Knowing the correct spelling matters because refer appears frequently in everyday, academic, medical, and professional communication.
In Emails and Business Writing
You might write:
Please refer to the attached document for the updated schedule.
Or:
I have referred your request to the appropriate department.
Both examples use standard forms of refer.
In Academic Writing
Academic writers frequently use refer when discussing sources or information.
For example:
The author refers to several historical examples.
Or:
Students should refer to the recommended reading list.
The related noun reference is also common in academic writing.
In Everyday Conversation
You can also use refer naturally in ordinary speech:
What are you referring to?
I was referring to your earlier comment.
She referred me to a good mechanic.
Therefore, refer is not limited to formal English.
A Practical Case Study: Why “Reffer” Looks Correct
Consider a student named Maya who is preparing an English assignment.
Maya writes:
“The author reffers to several examples in the second paragraph.”
At first glance, the spelling may look believable. Maya has probably seen words such as referred and referring, where the letter r appears twice. She therefore assumes that the base form should also contain an additional consonant.
During proofreading, however, she checks the base form and finds:
refer → referred → referring
She notices that the extra r appears only in certain grammatical forms. The base verb remains refer.
Maya changes her sentence to:
“The author refers to several examples in the second paragraph.”
She then checks two other sentences:
“The author is referring to an earlier study.”
“The author referred to the same study in Chapter 2.”
All three forms are now correct.
This example demonstrates why simply memorizing isolated spellings is not always enough. Understanding the relationship between refer, refers, referred, and referring provides a stronger memory aid. When you see the doubled r, you can recognize that it belongs to a particular grammatical form rather than assuming that the base word is reffer.
Refer or Reffer: Quick Comparison Guide
If you need a quick answer while writing, use this comparison table.
| Form | Status | Example |
|---|---|---|
| refer | ✅ Correct | Please refer to the guide. |
| reffer | ❌ Incorrect | Please reffer to the guide. |
| refers | ✅ Correct | The article refers to grammar. |
| referred | ✅ Correct | She referred me to an expert. |
| refered | ❌ Incorrect | She refered me to an expert. |
| referring | ✅ Correct | He is referring to the report. |
| refering | ❌ Incorrect | He is refering to the report. |
| reffering | ❌ Incorrect | He is reffering to the report. |
| referral | ✅ Correct | The doctor made a referral. |
| referal | ❌ Incorrect | The doctor made a referal. |
Step-by-Step Spelling Check
When you are unsure, follow these three steps:
- Start with the base word:
refer - Add the grammatical ending:
refers,referred, orreferring - Remember that the doubled letter is R, not F.
This process helps prevent several related spelling mistakes.
2025–2026 Data and Search Context
There is no reliable public 2025–2026 dataset from a major dictionary publisher that reports an exact global search count for “refer or reffer.” Therefore, an exact search-volume number should not be invented.
However, Google explains that its Search systems are designed to understand queries, including queries containing spelling mistakes, and connect users with relevant information.
Google’s current Search documentation also emphasizes helpful, reliable, people-first content rather than content created primarily to manipulate rankings.
For a spelling question such as refer or reffer, the most useful approach is therefore to answer the question directly, explain the source of the confusion, and provide practical examples.
Key Takeaway
The important spelling pattern is:
refer → referred → referring
The base form remains refer, while the final r is doubled in referred and referring.
Common Mistakes With “Refer”
The confusion does not stop at reffer. Several related forms are frequently written incorrectly.
“Reffer” Instead of “Refer”
Incorrect:
Please reffer to the instructions.
Correct:
Please refer to the instructions.
Remember: the base form has one f.
“Refered” Instead of “Referred”
Incorrect:
She refered me to another specialist.
Correct:
She referred me to another specialist.
The final r is doubled before -ed.
“Refering” Instead of “Referring”
Incorrect:
He is refering to the wrong document.
Correct:
He is referring to the wrong document.
The final r is doubled before -ing.
“Referal” Instead of “Referral”
Incorrect:
The company offered a customer referal program.
Correct:
The company offered a customer referral program.
Referral is the correct noun.
Refer, Reference, and Referral: What Is the Difference?
These words are related, but they perform different grammatical roles.
Refer
Refer is a verb.
Please refer to the instructions.
It describes an action.
Reference
Reference is commonly a noun meaning a mention, source, or something consulted for information.
Please check the reference at the end of the article.
Referral
Referral is a noun related to directing someone to another person or service.
The doctor made a referral to a specialist.
The basic pattern is:
- refer = verb
- reference = noun, source, or mention
- referral = noun related to directing someone
Mini Quiz: Refer or Reffer
1. Which spelling is correct?
A. Reffer
B. Refer
C. Reffar
D. Reffer
Answer: B. Refer
2. Which sentence uses refer correctly?
A. Please reffer to the guide.
B. Please refer to the guide.
C. Please refered to the guide.
D. Please refering to the guide.
Answer: B. Please refer to the guide.
3. What is the correct past tense of refer?
A. Refered
B. Reffered
C. Referred
D. Refferd
Answer: C. Referred
4. What is the correct -ing form of refer?
A. Refering
B. Reffering
C. Referring
D. Reffering
Answer: C. Referring
5. Which sentence is correct?
A. She reffered me to a specialist.
B. She refered me to a specialist.
C. She referred me to a specialist.
D. She refferd me to a specialist.
Answer: C. She referred me to a specialist.
6. What does refer commonly mean?
A. To mention or direct attention to something
B. To remove something
C. To repair something
D. To replace something
Answer: A. To mention or direct attention to something
7. Which sentence correctly uses referring?
A. He is refering to the report.
B. He is referring to the report.
C. He is reffering to the report.
D. He is reffer to the report.
Answer: B. He is referring to the report.
8. Complete the sentence:
“The article ___ to several studies.”
A. Reffers
B. Referes
C. Refers
D. Reffres
Answer: C. Refers
9. Which noun is correctly spelled?
A. Referal
B. Referral
C. Refferal
D. Referrall
Answer: B. Referral
10. Which word is a noun meaning a source or mention?
A. Refer
B. Reference
C. Referring
D. Reffer
Answer: B. Reference
11. Complete the sentence:
“Please ___ to page five.”
A. Reffer
B. Refer
C. Referred
D. Referring
Answer: B. Refer
12. Which is the correct past-tense spelling?
A. Reffered
B. Refered
C. Referred
D. Referd
Answer: C. Referred
13. Which word contains the correct doubled consonant?
A. Reffered
B. Refered
C. Referred
D. Reffering
Answer: C. Referred
14. Complete the sentence:
“What are you ___ to?”
A. Reffering
B. Refering
C. Referring
D. Reffer
Answer: C. Referring
15. Which sentence is correct?
A. The teacher reffered us to the handbook.
B. The teacher refered us to the handbook.
C. The teacher referred us to the handbook.
D. The teacher refferd us to the handbook.
Answer: C. The teacher referred us to the handbook.
16. Which spelling refers to the noun related to directing someone to another person or service?
A. Referal
B. Referral
C. Refferal
D. Referall
Answer: B. Referral
17. Which sentence is correct in academic writing?
A. Please reffer to the cited source.
B. Please refer to the cited source.
C. Please refered to the cited source.
D. Please reffered to the cited source.
Answer: B. Please refer to the cited source.
18. Which statement is correct?
A. Refer is the base form and referred is the past tense.
B. Reffer is the base form and refered is the past tense.
C. Refered is the base form and reffer is the past tense.
D. Reffered is the base form and refer is the past tense.
Answer: A. Refer is the base form and referred is the past tense.
19. Which statement about referring is correct?
A. Referring is the correct -ing form of refer.
B. Refering is the correct -ing form.
C. Reffering is the correct -ing form.
D. Reffering is the correct -ing form.
Answer: A. Referring is the correct -ing form of refer.
20. Which sentence uses both forms correctly?
A. Please refer to the report she referred to yesterday.
B. Please reffer to the report she refered to yesterday.
C. Please refer to the report she reffered to yesterday.
D. Please reffer to the report she referred to yesterday.
Answer: A. Please refer to the report she referred to yesterday.
21. Which spelling is correct?
A. Reffer
B. Refer
C. Reffar
D. Reffir
Answer: B. Refer
22. Choose the correct sentence.
A. She is refering to the document.
B. She is reffering to the document.
C. She is referring to the document.
D. She is reffer to the document.
Answer: C. She is referring to the document.
23. Which form is correct for the past tense?
A. Refered
B. Reffered
C. Referred
D. Refferd
Answer: C. Referred
24. Which noun is correctly spelled?
A. Referal
B. Refferal
C. Referral
D. Referrall
Answer: C. Referral
25. Complete the sentence:
“Please ___ to the instructions.”
A. Reffer
B. Refer
C. Refered
D. Referring
Answer: B. Refer
Frequently Asked Questions About Refer or Reffer
Q1:Is it “refer” or “reffer”?
Refer is the correct spelling. Reffer is a misspelling in standard English.
Q2:How do you spell refer correctly?
The correct spelling is R-E-F-E-R: refer.
Q3:Is “reffer” a real English word?
When intended as the standard verb refer, reffer is not the correct spelling. Use refer instead.
Q4:Why does “referring” have two r’s?
The final r is doubled when the suffix -ing is added to refer, giving referring. The base word itself remains refer.
Q5:Is “refered” correct?
No. The correct past-tense spelling is referred, with two r’s:
refer → referred
Q6:Is “refering” correct?
No. The correct spelling is referring:
refer → referring
Q7:Is “referral” spelled with one or two r’s?
The correct spelling is referral. The form referal is incorrect.
Q8:Is “refer” spelled differently in British and American English?
No. Refer has the same spelling in standard British and American English.
Conclusion: Refer or Reffer?
When choosing between refer or reffer, the correct spelling is refer.
Use refer as the base verb:
Please refer to the instructions.
Use refers for third-person singular:
The article refers to several studies.
Use referred for the past tense:
She referred me to another department.
And use referring for the -ing form:
He is referring to the previous example.
The key spelling lesson is simple:
Refer has one F, while referred and referring double the final R—not the F.
Once you remember this pattern, refer or reffer becomes much easier to handle in academic writing, professional communication, and everyday English.
For more clear explanations of commonly confused English words and grammar rules, explore the other language guides on Lingorixa.
References
Maimoona Asghar is a grammar enthusiast and language writer who creates clear, practical content to help learners improve English grammar, writing, punctuation, and communication skills through easy-to-understand explanations and examples.
