focusvsfonsWhich spelling fits?

Quick tell: focus is a adjective, fons is a noun, so they fill different roles in a sentence.

Which to use

“focus” is an adjective and “fons” is a noun - they look or sound alike but fill different roles in a sentence.

#11,412
“focus” frequency rank
#43,445
“fons” frequency rank
54857
confusion score

Side-by-Side Comparison

Feature focus fons
Definition Concentré sur l’action. Fonds (patrimoine).

Letter map: focus vs fons

Shared letters muted; letters that set focus and fons apart highlighted. Shared run: 3.

5 ch
focus
4 ch
fons

Role in the sentence - focus and fons

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: focus is anadjective and fonsanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 54857, derived from the frequency rank of both members and their visual similarity.

focus is recorded at frequency rank #11,412, classified as anadj, pronounced \fɔ.kys\. fons is at rank #43,445, tagged as anoun.

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 54857, this pair ranks #131,219 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of focus vs fons

Shared letters: fos. Private to "focus": cu. Private to "fons": n.

"focus" · 5 letters · shape CVCVC  ·  "fons" · 4 letters · shape CVCC

Known mistypes of this pair

  • focusfcous · ffocus · foccus · focsu · focuss · foucs · ofcus
  • fonsffons · fnos · fonns · fonss · fosn · ofns

Frequently Asked Questions

Is swapping "focus" for "fons" ever safe?
No - they are not even the same part of speech. "focus" is an adjective and "fons" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "focus" or "fons" show up more?
"focus" is the more common of the two: it sits at frequency rank #11,412 in our French list, against #43,445 for "fons". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "focus" vs "fons" is on the table, pick a follow-up below.

  • Full dictionary entry for "focus" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fons" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #131,219 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "focus" and "fons" also get mixed up with nearby pairs, the highest-scored neighbour is "foins vs fons". 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 #131,219 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