fochvsFosWhich spelling fits?

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

Which to use

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

#28,562
“foch” frequency rank
#33,268
“Fos” frequency rank
61830
confusion score

Side-by-Side Comparison

Feature foch Fos
Definition Forme mutée de moch par lénition. Commune française, située dans le département de la Haute-Garonne.

Letter map: foch vs Fos

Shared letters muted; letters that set foch and Fos apart highlighted. Shared run: 2.

4 ch
foch
3 ch
Fos

Part-of-speech tell for foch / Fos

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: foch is anoun and Fosaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 61830, derived from the frequency rank of both members and their visual similarity.

foch is recorded at frequency rank #28,562, classified as anoun, pronounced \voːχ\. 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 61830, this pair ranks #90,190 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of foch vs Fos

Shared letters: fo. Private to "foch": ch. Private to "Fos": s.

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

Known mistypes of this pair

  • fochfcoh · ffoch · focch · fochh · fohc · ofch

Frequently Asked Questions

Is swapping "foch" for "Fos" ever safe?
No - they are not even the same part of speech. "foch" is a noun and "Fos" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "foch" or "Fos"?
"foch" is the more common of the two: it sits at frequency rank #28,562 in our French list, against #33,268 for "Fos". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "foch" vs "Fos" is on the table, pick a follow-up below.

  • Full dictionary entry for "foch" 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 #90,190 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "foch" and "Fos" 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 #90,190 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