Which to use
“Fos” is a name and “frog” is a noun - they look or sound alike but fill different roles in a sentence.
- #33,268
- “Fos” frequency rank
- #42,890
- “frog” frequency rank
- 76158
- confusion score
Side-by-Side Comparison
| Feature | Fos | frog |
|---|---|---|
| Definition | Commune française, située dans le département de la Haute-Garonne. | Surnom dont des Canadiens non francophones affublent les Québécois francophones. |
Letter map: Fos vs frog
Shared letters muted; letters that set Fos and frog apart highlighted. Shared run: 2.
Part-of-speech tell for Fos / frog
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Fos is aname and froganoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 76158, derived from the frequency rank of both members and their visual similarity.
Fos is recorded at frequency rank #33,268, classified as aname. frog is at rank #42,890, tagged as anoun, pronounced \fɹɒɡ\.
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 76158, this pair ranks #31,934 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of Fos vs frog
Shared letters: fo. Private to "Fos": s. Private to "frog": gr.
"Fos" · 3 letters · shape CVC · "frog" · 4 letters · shape CCVC
Known mistypes of this pair
- frog ← ffrog · forg · frgo · frogg · frrog · rfog
Frequently Asked Questions
Can "Fos" and "frog" be used interchangeably?
Frequency check: "Fos" vs "frog" - which ranks higher?
Useful next steps
You've compared "Fos" and "frog". Here's where to go from here.
- Full dictionary entry for "Fos" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "frog" - compare definitions side by side with the headword page. Word entry
- This pair ranks #31,934 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "Fos" and "frog" also get mixed up with nearby pairs, the highest-scored neighbour is "fog vs frog". 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 #31,934 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.