Which to use
“Fos” is a name and “frost” is a verb - they look or sound alike but fill different roles in a sentence.
- #33,268
- “Fos” frequency rank
- #25,325
- “frost” frequency rank
- 58593
- confusion score
Side-by-Side Comparison
| Feature | Fos | frost |
|---|---|---|
| Definition | Commune française, située dans le département de la Haute-Garonne. | Deuxième personne du singulier de l’impératif présent de frosten. |
Letter map: Fos vs frost
Shared letters muted; letters that set Fos and frost apart highlighted. Shared run: 3. Fos runs 3 letters (CVC) against frost's 5 (CCVCC) - the length gap alone is often enough to separate them once you know to check it.
Part-of-speech tell for Fos / frost
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Fos is aname and frostaverb. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 58593, derived from the frequency rank of both members and their visual similarity.
Fos is recorded at frequency rank #33,268, classified as aname. frost is at rank #25,325, tagged as averb, pronounced \fʁɔst\.
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 58593, this pair ranks #108,160 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of Fos vs frost
Shared letters: fos. Private to "Fos": -. Private to "frost": rt.
"Fos" · 3 letters · shape CVC · "frost" · 5 letters · shape CCVCC
Known mistypes of this pair
- frost ← ffrost · frosst · frostt · frrost · frsot · rfost
Frequently Asked Questions
Do "Fos" and "frost" mean the same thing in a sentence?
Frequency check: "Fos" vs "frost" - which ranks higher?
After this comparison
You've compared "Fos" and "frost". Here's where to go from here.
- Full dictionary entry for "Fos" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "frost" - compare definitions side by side with the headword page. Word entry
- This pair ranks #108,160 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "Fos" and "frost" also get mixed up with nearby pairs, the highest-scored neighbour is "Fee vs Fos". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #108,160 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.