flax

/flæks/

//flæks// noun

"flax" is a 4-letter English headword indexed on PlainSpell.

The verdict

“flax” is a moderately-common English word, ranked #27,151 in English word frequency and used as a noun.

#27,151
frequency rank, English
4
letters
6
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A plant of the genus Linum, especially Linum usitatissimum, which has a single, slender stalk, about a foot and a half high, with blue flowers. Also known as linseed, especially when referring to t...

Visual similarity to commonly confused words

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

flax vs fly
50% similar
flax vs fox
50% similar
flax vs flu
50% similar

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

Key facts for flax
PropertyValue
Headwordflax
LanguageEnglish
Part of speechNoun
IPA/flæks/
Letters4
Frequency rank#27,151
Misspellings tracked6
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “flax” 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). flax 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 flax is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /flæks/. Corpus data places it at rank #27,151 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.

Our generated misspelling index lists 6 likely wrong-spelling variants for flax, with forms such as "falx", "fflax", and "flaxx". 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 20 confusable-pair relationships, "fly", "fox", "flu", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English flax, from Old English fleax, from Proto-Germanic *flahsą, from Proto-Indo-European *pleḱ- (“to plait”). Cognate with Old Frisian flax, Dutch vlas, Old High German flahs (German Flachs); the Northern Germanic (and most likely the Gothic … The correct English form is flax, spelled F-L-A-X.

Definition

  1. 1
    A plant of the genus Linum, especially Linum usitatissimum, which has a single, slender stalk, about a foot and a half high, with blue flowers. Also known as linseed, especially when referring to the seeds.
  2. 2
    The fibers of Linum usitatissimum, grown to make linen and related textiles.
  3. 3
    A flax bush, a plant of the genus Phormium, native to New Zealand, with strap-like leaves up to 3 metres long that grow in clumps.

Etymology

From Middle English flax, from Old English fleax, from Proto-Germanic *flahsą, from Proto-Indo-European *pleḱ- (“to plait”). Cognate with Old Frisian flax, Dutch vlas, Old High German flahs (German Flachs); the Northern Germanic (and most likely the Gothic too) stem is different.

This word in other languages

Common misspellings

Also misspelled as: falx,fflax,flaxx,fllax,flxa,lfax

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of flax - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

falx2fflax1flaxx1fllax1flxa2lfax2
Edit distance from "flax"

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 "flax"?
"flax" is spelled F-L-A-X. The IPA pronunciation is /flæks/.
What does "flax" mean?
As a noun, "flax" means: A plant of the genus Linum, especially Linum usitatissimum, which has a single, slender stalk, about a foot and a half high, with blue flowers. Also known as linseed, especially when referring to t...
What words are commonly confused with "flax"?
"flax" is commonly confused with "fly", "fox", "flu". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "flax"?
The IPA (International Phonetic Alphabet) transcription for "flax" is /flæks/. 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 "flax"?
From Middle English flax, from Old English fleax, from Proto-Germanic *flahsą, from Proto-Indo-European *pleḱ- (“to plait”). Cognate with Old Frisian flax, Dutch vlas, Old High German flahs (German Flachs); the Northern Germanic (and most likely t... 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 “flax”

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

  • The one correct English spelling is F-L-A-X - every other letter order is a misspelling in standard orthography.
  • Say it as /flæks/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “fly” - see the side-by-side comparison. flax vs fly
  • 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