fondervsfrondeurWhat's the difference?

Quick tell: fonder is a verb, frondeur is a noun, so they fill different roles in a sentence.

Which to use

“fonder” is a verb and “frondeur” is a noun - they look or sound alike but fill different roles in a sentence.

#7,963
“fonder” frequency rank
#43,953
“frondeur” frequency rank
51916
confusion score

Side-by-Side Comparison

Feature fonder frondeur
Definition Asseoir un bâtiment, un édifice sur des fondements. Celui qui lance des pierres, des balles, avec une fronde.

Where the eye mixes fonder and frondeur

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. fonder runs 6 letters (CVCCVC) against frondeur's 8 (CCVCCVVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
fonder
8 ch
frondeur

Look-alike desk: fonder vs frondeur

These two trip readers on the page rather than in the ear: fonder is \fɔ̃.de\ while frondeur is \fʁɔ̃.dœʁ\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 51916, derived from the frequency rank of both members and their visual similarity.

fonder is recorded at frequency rank #7,963, classified as averb, pronounced \fɔ̃.de\. frondeur is at rank #43,953, tagged as anoun, pronounced \fʁɔ̃.dœʁ\.

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 51916, this pair ranks #151,488 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fonder vs frondeur

Shared letters: defnor. Private to "fonder": -. Private to "frondeur": u.

"fonder" · 6 letters · shape CVCCVC  ·  "frondeur" · 8 letters · shape CCVCCVVC

Known mistypes of this pair

  • fonder ← ffonder · fnoder · fodner · fondder · fonderr · fonedr · fonnder · ofnder
  • frondeur ← ffrondeur · forndeur · frnodeur · frodneur · fronddeur · fronderu · frondeurr · fronduer

Frequently Asked Questions

Is swapping "fonder" for "frondeur" ever safe?
No - they are not even the same part of speech. "fonder" is a verb and "frondeur" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fonder" or "frondeur"?
"fonder" is the more common of the two: it sits at frequency rank #7,963 in our French list, against #43,953 for "frondeur". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "fonder" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "frondeur" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #151,488 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fonder" and "frondeur" also get mixed up with nearby pairs, the highest-scored neighbour is "fondeurs vs frondeur". 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 #151,488 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