fiefvsfixWhat's the difference?

Which to use

“fief” and “fix” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#9,833
“fief” frequency rank
#23,870
“fix” frequency rank
33703
confusion score

Side-by-Side Comparison

Feature fief fix
Definition Domaine noble dont le détenteur, le vassal, devait l’hommage et ordinairement aussi quelque redevance, quelque service, etc., au seigneur, possesseur du domaine. Dose de drogue, généralement injectée par intraveineuse.

Where the eye mixes fief and fix

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
fief
3 ch
fix

Visual trap between fief and fix

A purely visual mix-up. fief (\fjɛf\) and fix (\fiks\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 33703, derived from the frequency rank of both members and their visual similarity.

fief is recorded at frequency rank #9,833, classified as anoun, pronounced \fjɛf\. fix is at rank #23,870, tagged as anoun, pronounced \fiks\.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 33703, this pair ranks #288,865 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fief vs fix

Shared letters: fi. Private to "fief": e. Private to "fix": x.

"fief" · 4 letters · shape CVVC  ·  "fix" · 3 letters · shape CVC

Known mistypes of this pair

  • fieffeif · ffief · fieff · fife · ifef

Frequently Asked Questions

Can "fief" and "fix" be used interchangeably?
No. They are said differently (\fjɛf\ versus \fiks\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "fief" vs "fix" - which ranks higher?
"fief" is the more common of the two: it sits at frequency rank #9,833 in our French list, against #23,870 for "fix". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "fief" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fix" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #288,865 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fief" and "fix" also get mixed up with nearby pairs, the highest-scored neighbour is "Fee vs fix". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #288,865 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list