Which to use
“fog” is a noun and “Fos” is a name - they look or sound alike but fill different roles in a sentence.
- #46,768
- “fog” frequency rank
- #33,268
- “Fos” frequency rank
- 80036
- confusion score
Side-by-Side Comparison
| Feature | fog | Fos |
|---|---|---|
| Definition | Brouillard, brume. | Commune française, située dans le département de la Haute-Garonne. |
Letter map: fog vs Fos
Shared letters muted; letters that set fog and Fos apart highlighted. Shared run: 2. fog and Fos follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.
Part-of-speech tell for fog / Fos
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fog is anoun and Fosaname. On the page they differ by a single letter - g in “fog” becomes s in “Fos”. Our composite confusion score for this pair is 80036, derived from the frequency rank of both members and their visual similarity.
fog is recorded at frequency rank #46,768, classified as anoun, pronounced \fɔɡ\. 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 80036, this pair ranks #21,889 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of fog vs Fos
Shared letters: fo. Private to "fog": g. Private to "Fos": s.
"fog" · 3 letters · shape CVC · "Fos" · 3 letters · shape CVC
Frequently Asked Questions
Can "fog" and "Fos" be used interchangeably?
Which is more common, "fog" or "Fos"?
After this comparison
You've compared "fog" and "Fos". Here's where to go from here.
- Full dictionary entry for "fog" 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 #21,889 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "fog" and "Fos" also get mixed up with nearby pairs, the highest-scored neighbour is "Fee vs fog". Nearby pair
Confusion rank #21,889 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.