fir
/fɜː/
"fir" is a 3-letter English headword indexed on PlainSpell.
The verdict
“fir” is a moderately-common English word, ranked #15,408 in English word frequency and used as a noun.
- #15,408
- frequency rank, English
- 3
- letters
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A conifer of the genus Abies.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | fir |
| Language | English |
| Part of speech | Noun |
| IPA | /fɜː/ |
| Letters | 3 |
| Frequency rank | #15,408 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “fir” sits in English frequency
Spelling & Dictionary Insight
The English entry for fir is 3 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /fɜː/. Corpus data places it at rank #15,408 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.
No misspelling variants are generated for fir in our index, which points to an orthography that plays by predictable English rules. It also participates in 20 confusable-pair relationships, "FL", "FM", "fu", 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 firre, from Old English fyrh, furh, as in furhwudu (“pinewood”), from Proto-West Germanic *furhu, from Proto-Germanic *furhō, *furhijǭ, from Proto-Indo-European *pŕ̥kʷeh₂, from *pérkʷus (“oak”). Possibly conflated during Middle English w… The correct English form is fir, spelled F-I-R.
Definition
- 1A conifer of the genus Abies.
- 2Any pinaceous conifer of related genera, especially a Douglas fir (Pseudotsuga) or a Scots pine (Pinus sylvestris).
- 3Wood of such trees.
Etymology
From Middle English firre, from Old English fyrh, furh, as in furhwudu (“pinewood”), from Proto-West Germanic *furhu, from Proto-Germanic *furhō, *furhijǭ, from Proto-Indo-European *pŕ̥kʷeh₂, from *pérkʷus (“oak”). Possibly conflated during Middle English with Old Norse fýri (as in fýriskógr (“pine-wood”). Germanic cognates include Dutch vuren, Low German Fuhr, German Föhre (“pine”), Danish fyr). Outside of Germanic, compare Italian (Trentino) porca (“fir”), Latin quercus (“oak”), Albanian shpardh, shparr (“Italian oak”), Punjabi ਪਰਗਾਇ (pargāī, “holm oak, Quercus baloot”)). Related to frith.
Synonyms
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 “fir”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is F-I-R - every other letter order is a misspelling in standard orthography.
- Say it as /fɜː/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “FL” - see the side-by-side comparison. fir vs FL
- 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.