Which to use
“fas” is a noun and “Fos” is a name - they look or sound alike but fill different roles in a sentence.
- #47,890
- “fas” frequency rank
- #33,268
- “Fos” frequency rank
- 81158
- confusion score
Side-by-Side Comparison
| Feature | fas | Fos |
|---|---|---|
| Definition | Face, figure, visage. | Commune française, située dans le département de la Haute-Garonne. |
Letter map: fas vs Fos
Shared letters muted; letters that set fas and Fos apart highlighted. Shared run: 2. fas and Fos follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.
Grammar separator: fas vs Fos
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fas is anoun and Fosaname. On the page they differ by a single letter - a in “fas” becomes o in “Fos”. Our composite confusion score for this pair is 81158, derived from the frequency rank of both members and their visual similarity.
fas is recorded at frequency rank #47,890, classified as anoun, pronounced \ˈfasː\. Fos is at rank #33,268, tagged as aname.
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 81158, this pair ranks #19,361 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of fas vs Fos
Shared letters: fs. Private to "fas": a. Private to "Fos": o.
"fas" · 3 letters · shape CVC · "Fos" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "fas" for "Fos" ever safe?
In ordinary French text, does "fas" or "Fos" show up more?
After this comparison
Pair "fas" vs "Fos" is on the table, pick a follow-up below.
- Full dictionary entry for "fas" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Fos" - compare definitions side by side with the headword page. Word entry
- This pair ranks #19,361 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "fas" and "Fos" also get mixed up with nearby pairs, the highest-scored neighbour is "fas vs Fee". Nearby pair
Confusion rank #19,361 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.