fouvsfoyTell them apart

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

Which to use

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

#48,244
“fou” frequency rank
#36,566
“foy” frequency rank
84810
confusion score

Side-by-Side Comparison

Feature fou foy
Definition Drunk. Faith, allegiance.

Letter map: fou vs foy

Shared letters muted; letters that set fou and foy apart highlighted. Shared run: 2. fou and foy follow the identical consonant-vowel pattern (CVV). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
fou
3 ch
foy

Part-of-speech tell for fou / foy

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fou is anadjective and foyanoun. On the page they differ by a single letter - u in “fou” becomes y in “foy”. Our composite confusion score for this pair is 84810, derived from the frequency rank of both members and their visual similarity.

fou is recorded at frequency rank #48,244, classified as anadj. foy is at rank #36,566, tagged as anoun.

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 84810, this pair ranks #11,436 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of fou vs foy

Shared letters: fo. Private to "fou": u. Private to "foy": y.

"fou" · 3 letters · shape CVV  ·  "foy" · 3 letters · shape CVV

Frequently Asked Questions

Do "fou" and "foy" mean the same thing in a sentence?
No - they are not even the same part of speech. "fou" is an adjective and "foy" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "fou" or "foy" show up more?
"foy" is the more common of the two: it sits at frequency rank #36,566 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.

What to do next

You've compared "fou" and "foy". Here's where to go from here.

  • Full dictionary entry for "fou" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "foy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #11,436 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fou" and "foy" also get mixed up with nearby pairs, the highest-scored neighbour is "FOMO vs fou". Nearby pair

Confusion rank #11,436 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