fautvsfauxWhat's the difference?

Quick tell: faut is a verb, faux is an adjective, so they fill different roles in a sentence.

Which to use

“faut” is a verb and “faux” is an adjective - they look or sound alike but fill different roles in a sentence.

#105
“faut” frequency rank
#920
“faux” frequency rank
1025
confusion score

Side-by-Side Comparison

Feature faut faux
Definition Troisième personne du singulier de l’indicatif présent de falloir. Qui n’est pas conforme, ou qui ne se conforme pas à la réalité. Quand il s’agit des idées et des sentiments, et de leur expression, il signifie que ces idées, ces sentiments ou leur expression sont contraires à la réalité par erreur ou par imposture.

Where the spellings diverge

Shared letters are muted; the letters that actually set faut and faux apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

4 ch
faut
4 ch
faux

Spelling & Dictionary Insight

faut and faux form a confusable pair in the French index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by a single letter - t in “faut” becomes x in “faux” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 1025, derived from the frequency rank of both members and their visual similarity.

faut is recorded at frequency rank #105, classified as averb, pronounced \fo\. faux is at rank #920, tagged as anadj, pronounced \fo\.

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 1025, this pair ranks #438,748 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

faut#105
faux#920

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "faut" and "faux" be used interchangeably?
No, "faut" and "faux" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering faut vs faux

The fastest way to pick the right one every time.

  • Check the role first: if you need a verb, it's “faut”; for an adjective, it's “faux”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “faut” entry
  • Browse more pairs most likely to be confused. Most confusable

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

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