prolongervsprononcerWhat's the difference?

Which to use

“prolonger” and “prononcer” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#8,016
“prolonger” frequency rank
#4,971
“prononcer” frequency rank
12987
confusion score

Side-by-Side Comparison

Feature prolonger prononcer
Definition Faire durer plus longtemps. Proférer, articuler les sons, les syllabes, les mots, en exprimer les prononciations.

Where the eye mixes prolonger and prononcer

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. prolonger and prononcer follow the identical consonant-vowel pattern (CCVCVCCVC). Same shape at a glance is often the real trap, independent of shared letters.

9 ch
prolonger
9 ch
prononcer

Look-alike desk: prolonger vs prononcer

A purely visual mix-up. prolonger (\pʁɔ.lɔ̃.ʒe\) and prononcer (\pʁɔ.nɔ̃.se\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 12987, derived from the frequency rank of both members and their visual similarity.

prolonger is recorded at frequency rank #8,016, classified as averb, pronounced \pʁɔ.lɔ̃.ʒe\. prononcer is at rank #4,971, tagged as averb, pronounced \pʁɔ.nɔ̃.se\.

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 12987, this pair ranks #402,892 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of prolonger vs prononcer

Shared letters: enopr. Private to "prolonger": gl. Private to "prononcer": c.

"prolonger" · 9 letters · shape CCVCVCCVC  ·  "prononcer" · 9 letters · shape CCVCVCCVC

Known mistypes of this pair

  • prolonger ← porlonger · pprolonger · prloonger · prollonger · prolnoger · prologner · prolonegr · prolongerr
  • prononcer ← pornoncer · pprononcer · prnooncer · pronnocer · pronnoncer · pronocner · prononccer · prononcerr

Frequently Asked Questions

Do "prolonger" and "prononcer" mean the same thing in a sentence?
No. They are said differently (\pʁɔ.lɔ̃.ʒe\ versus \pʁɔ.nɔ̃.se\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "prolonger" vs "prononcer" - which ranks higher?
"prononcer" is the more common of the two: it sits at frequency rank #4,971 in our French list, against #8,016 for "prolonger". 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 "prolonger" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prononcer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #402,892 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "prolonger" and "prononcer" also get mixed up with nearby pairs, the highest-scored neighbour is "prolonger vs prolongera". 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 #402,892 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