Which to use
“fas” is a noun and “fou” is an adjective - they look or sound alike but fill different roles in a sentence.
- #27,454
- “fas” frequency rank
- #48,244
- “fou” frequency rank
- 75698
- confusion score
Side-by-Side Comparison
| Feature | fas | fou |
|---|---|---|
| Definition | A border or fringe. | Drunk. |
Letter map: fas vs fou
Shared letters muted; letters that set fas and fou apart highlighted. Shared run: 1. fas (CVC) and fou (CVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Part-of-speech tell for fas / fou
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fas 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 75698, derived from the frequency rank of both members and their visual similarity.
fas is recorded at frequency rank #27,454, classified as anoun. 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 75698, this pair ranks #32,308 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of fas vs fou
Shared letters: f. Private to "fas": as. Private to "fou": ou.
"fas" · 3 letters · shape CVC · "fou" · 3 letters · shape CVV
Frequently Asked Questions
Do "fas" and "fou" mean the same thing in a sentence?
Frequency check: "fas" vs "fou" - which ranks higher?
Useful next steps
You've compared "fas" and "fou". Here's where to go from here.
- Full dictionary entry for "fas" 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 #32,308 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "fas" and "fou" also get mixed up with nearby pairs, the highest-scored neighbour is "FOMO vs fou". Nearby pair
Confusion rank #32,308 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.