fonsvsfortWhich spelling fits?

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

Which to use

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

#43,445
“fons” frequency rank
#380
“fort” frequency rank
43825
confusion score

Side-by-Side Comparison

Feature fons fort
Definition Fonds (patrimoine). Costaud, robuste, vigoureux.

Letter map: fons vs fort

Shared letters muted; letters that set fons and fort apart highlighted. Shared run: 2.

4 ch
fons
4 ch
fort

Role in the sentence - fons and fort

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fons is anoun and fortanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 43825, derived from the frequency rank of both members and their visual similarity.

fons is recorded at frequency rank #43,445, classified as anoun. fort is at rank #380, tagged as anadj, pronounced \fɔʁ\.

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 43825, this pair ranks #215,098 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fons vs fort

Shared letters: fo. Private to "fons": ns. Private to "fort": rt.

"fons" · 4 letters · shape CVCC  ·  "fort" · 4 letters · shape CVCC

Known mistypes of this pair

  • fonsffons · fnos · fonns · fonss · fosn · ofns
  • fortffort · forrt · fortt · fotr · frot · ofrt

Frequently Asked Questions

Can "fons" and "fort" be used interchangeably?
No - they are not even the same part of speech. "fons" is a noun and "fort" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "fons" vs "fort" - which ranks higher?
"fort" is the more common of the two: it sits at frequency rank #380 in our French list, against #43,445 for "fons". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "fons" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fort" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #215,098 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fons" and "fort" 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 #215,098 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