ficvsfouWhat's the difference?

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

Which to use

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

#29,270
“fic” frequency rank
#48,244
“fou” frequency rank
77514
confusion score

Side-by-Side Comparison

Feature fic fou
Definition A fictional story set within a preexisting fandom; a fanfic. Drunk.

Letter map: fic vs fou

Shared letters muted; letters that set fic and fou apart highlighted. Shared run: 1. fic (CVC) and fou (CVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
fic
3 ch
fou

Part-of-speech tell for fic / fou

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fic is anoun and fouanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 77514, derived from the frequency rank of both members and their visual similarity.

fic is recorded at frequency rank #29,270, classified as anoun, pronounced /fɪk/. fou is at rank #48,244, tagged as anadj.

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 77514, this pair ranks #27,064 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of fic vs fou

Shared letters: f. Private to "fic": ci. Private to "fou": ou.

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

Frequently Asked Questions

Is swapping "fic" for "fou" ever safe?
No - they are not even the same part of speech. "fic" is a noun and "fou" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "fic" vs "fou" - which ranks higher?
"fic" is the more common of the two: it sits at frequency rank #29,270 in our English list, against #48,244 for "fou". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "fic" vs "fou" is on the table, pick a follow-up below.

  • Full dictionary entry for "fic" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fou" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #27,064 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fic" and "fou" also get mixed up with nearby pairs, the highest-scored neighbour is "FOMO vs fou". Nearby pair

Confusion rank #27,064 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list