fafvsfouWhat's the difference?

Quick tell: faf is a noun, fou is an adjective, so they fill different roles in a sentence.

Which to use

“faf” is a noun and “fou” is an adjective - they look or sound alike but fill different roles in a sentence.

#31,486
“faf” frequency rank
#1,063
“fou” frequency rank
32549
confusion score

Side-by-Side Comparison

Feature faf fou
Definition Militant d’extrême droite française. Qualifie une personne qui a perdu la raison, qui est atteinte d’aliénation mentale.

Where the spellings diverge

Shared letters are muted; the letters that actually set faf and fou apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

3 ch
faf
3 ch
fou

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: faf is \faf\ while fou is \fu\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 32549, derived from the frequency rank of both members and their visual similarity.

faf is recorded at frequency rank #31,486, classified as anoun, pronounced \faf\. fou is at rank #1,063, tagged as anadj, pronounced \fu\.

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 32549, this pair ranks #296,548 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of faf vs fou

Shared letters: f. Private to "faf": a. Private to "fou": ou.

"faf" · 3 letters · shape CVC  ·  "fou" · 3 letters · shape CVV

Frequency comparison

faf#31,486
fou#1,063

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "faf" and "fou" be used interchangeably?
No - they are not even the same part of speech. "faf" is a noun and "fou" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "faf" or "fou"?
"fou" is the more common of the two: it sits at frequency rank #1,063 in our French list, against #31,486 for "faf". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering faf vs fou

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “faf”; for an adjective, it's “fou”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “faf” 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