affair

/əˈfɛə/

//əˈfɛə// noun

"affair" is a 6-letter English headword indexed on PlainSpell.

The verdict

“affair” is a regularly-used English word, ranked #4,284 in English word frequency and used as a noun.

#4,284
frequency rank, English
6
letters
6
tracked misspellings
5
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Something which is done or is to be done; business of any kind, commercial, professional, or public.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

affair vs affix
67% similar
affair vs afraid
67% similar
affair vs affirm
67% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for affair
PropertyValue
Headwordaffair
LanguageEnglish
Part of speechNoun
IPA/əˈfɛə/
Letters6
Frequency rank#4,284
Misspellings tracked6
Confusable pairs5
SourceWiktionary (kaikki.org)

Where “affair” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). affair lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for affair is 6 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /əˈfɛə/. Corpus data places it at rank #4,284 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 9 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 6 likely wrong-spelling variants for affair, with forms such as "afafir", "afair", and "affairr". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 5 confusable-pair relationships, "affix", "afraid", "affirm", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Middle English afere, affere, from Old French afaire, from a- + faire (“to do”), from Latin ad- + facere (“to do”). See fact, and compare ado. The correct English form is affair, spelled A-F-F-A-I-R.

Definition

  1. 1
    Something which is done or is to be done; business of any kind, commercial, professional, or public.
  2. 2
    Any proceeding or action which it is wished to refer to or characterize vaguely.
  3. 3
    An action or engagement not of sufficient magnitude to be called a battle.
  4. 4
    A material object (vaguely designated).
  5. 5
    An adulterous relationship, chiefly of a married person. (from affaire de cœur, affair of the heart).
  6. 6
    An otherwise illicit romantic relationship, such as with someone who is not one's regular partner (boyfriend, girlfriend).
  7. 7
    A person with whom someone has an adulterous relationship.
  8. 8
    A party or social gathering, especially of a formal nature.
  9. 9
    The (male or female) genitals.

Etymology

From Middle English afere, affere, from Old French afaire, from a- + faire (“to do”), from Latin ad- + facere (“to do”). See fact, and compare ado.

This word in other languages

Common misspellings

Also misspelled as: afafir,afair,affairr,affari,affiar,fafair

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of affair - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

afafir2afair1affairr1affari2affiar2fafair2
Edit distance from "affair"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "affair"?
"affair" is spelled A-F-F-A-I-R. The IPA pronunciation is /əˈfɛə/.
What does "affair" mean?
As a noun, "affair" means: Something which is done or is to be done; business of any kind, commercial, professional, or public.
What words are commonly confused with "affair"?
"affair" is commonly confused with "affix", "afraid", "affirm". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "affair"?
The IPA (International Phonetic Alphabet) transcription for "affair" is /əˈfɛə/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "affair"?
From Middle English afere, affere, from Old French afaire, from a- + faire (“to do”), from Latin ad- + facere (“to do”). See fact, and compare ado. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “affair”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is A-F-F-A-I-R - every other letter order is a misspelling in standard orthography.
  • Say it as /əˈfɛə/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “affix” - see the side-by-side comparison. affair vs affix
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list