Which to use
“fay” is a verb and “fou” is an adjective - they look or sound alike but fill different roles in a sentence.
- #19,836
- “fay” frequency rank
- #48,244
- “fou” frequency rank
- 68080
- confusion score
Side-by-Side Comparison
| Feature | fay | fou |
|---|---|---|
| Definition | To fit, to add. | Drunk. |
Letter map: fay vs fou
Shared letters muted; letters that set fay and fou apart highlighted. Shared run: 1. fay and fou follow the identical consonant-vowel pattern (CVV). Same shape at a glance is often the real trap, independent of shared letters.
Grammar separator: fay vs fou
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fay is averb and fouanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 68080, derived from the frequency rank of both members and their visual similarity.
fay is recorded at frequency rank #19,836, classified as averb, pronounced /feɪ/. 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 68080, this pair ranks #60,503 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of fay vs fou
Shared letters: f. Private to "fay": ay. Private to "fou": ou.
"fay" · 3 letters · shape CVV · "fou" · 3 letters · shape CVV
Frequently Asked Questions
Can "fay" and "fou" be used interchangeably?
In ordinary English text, does "fay" or "fou" show up more?
What to do next
You've compared "fay" and "fou". Here's where to go from here.
- Full dictionary entry for "fay" 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 #60,503 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "fay" and "fou" also get mixed up with nearby pairs, the highest-scored neighbour is "FOMO vs fou". Nearby pair
Confusion rank #60,503 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.