follvsFosTell them apart

Quick tell: foll is a adjective, Fos is a name, so they fill different roles in a sentence.

Which to use

“foll” is an adjective and “Fos” is a name - they look or sound alike but fill different roles in a sentence.

#35,043
“foll” frequency rank
#33,268
“Fos” frequency rank
68311
confusion score

Side-by-Side Comparison

Feature foll Fos
Definition Fou. Commune française, située dans le département de la Haute-Garonne.

Letter map: foll vs Fos

Shared letters muted; letters that set foll and Fos apart highlighted. Shared run: 2. foll runs 4 letters (CVCC) against Fos's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
foll
3 ch
Fos

Grammar separator: foll vs Fos

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: foll is anadjective and Fosaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 68311, derived from the frequency rank of both members and their visual similarity.

foll is recorded at frequency rank #35,043, classified as anadj, pronounced \ˈfɔlː\. 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 68311, this pair ranks #59,686 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of foll vs Fos

Shared letters: fo. Private to "foll": l. Private to "Fos": s.

"foll" · 4 letters · shape CVCC  ·  "Fos" · 3 letters · shape CVC

Known mistypes of this pair

  • foll ← ffoll · flol · ofll

Frequently Asked Questions

Is swapping "foll" for "Fos" ever safe?
No - they are not even the same part of speech. "foll" is an adjective and "Fos" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "foll" or "Fos"?
"Fos" is the more common of the two: it sits at frequency rank #33,268 in our French list, against #35,043 for "foll". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "foll" and "Fos".

  • Full dictionary entry for "foll" 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 #59,686 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "foll" and "Fos" also get mixed up with nearby pairs, the highest-scored neighbour is "Feld vs foll". 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 #59,686 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list