affine
/əˈfaɪn/
"affine" is a 6-letter English headword indexed on PlainSpell.
The verdict
“affine” is an uncommon English word, ranked #57,203 in English word frequency and used as an adjective.
- #57,203
- frequency rank, English
- 6
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Assigning finite values to finite quantities.
| Property | Value |
|---|---|
| Headword | affine |
| Language | English |
| Part of speech | Adjective |
| IPA | /əˈfaɪn/ |
| Letters | 6 |
| Frequency rank | #57,203 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “affine” sits in English frequency
Spelling & Dictionary Insight
The English entry for affine is 6 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /əˈfaɪn/. Corpus data places it at rank #57,203 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
Zero misspellings are on record for affine in our index, which points to an orthography that plays by predictable English rules. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From Latin affinis (“connected with”). The correct English form is affine, spelled A-F-F-I-N-E.
Definition
- 1Assigning finite values to finite quantities.
- 2Of or pertaining to a function expressible as f(⃑x)=A⃑x+⃑b (where A is a linear transformation and ⃑b is a constant), which, regarded as a transformation, maps parallel lines to parallel lines and finite points to finite points.
- 3Of two materials, having mutual affinity.
Etymology
From Latin affinis (“connected with”).
This word in other languages
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
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Using “affine”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is A-F-F-I-N-E - every other letter order is a misspelling in standard orthography.
- Say it as /əˈfaɪn/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- 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.