prologuevsprolongéeTell them apart

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

Which to use

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

#18,566
“prologue” frequency rank
#9,537
“prolongée” frequency rank
28103
confusion score

Side-by-Side Comparison

Feature prologue prolongée
Definition Discours préliminaire, avant-propos. Féminin singulier de prolongé.

Where the eye mixes prologue and prolongée

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. prologue runs 8 letters (CCVCVCVV) against prolongée's 9 (CCVCVCCVV) - the length gap alone is often enough to separate them once you know to check it.

8 ch
prologue
9 ch
prolongée

Why the eye confuses prologue with prolongée

These two trip readers on the page rather than in the ear: prologue is \pʁɔ.lɔɡ\ while prolongée is \pʁɔ.lɔ̃.ʒe\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 28103, derived from the frequency rank of both members and their visual similarity.

prologue is recorded at frequency rank #18,566, classified as anoun, pronounced \pʁɔ.lɔɡ\. prolongée is at rank #9,537, tagged as anadj, pronounced \pʁɔ.lɔ̃.ʒe\.

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 28103, this pair ranks #324,902 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of prologue vs prolongée

Shared letters: eglopr. Private to "prologue": u. Private to "prolongée": né.

"prologue" · 8 letters · shape CCVCVCVV  ·  "prolongée" · 9 letters · shape CCVCVCCVV

Known mistypes of this pair

  • prologue ← porlogue · pprologue · prloogue · prolgoue · prollogue · prologeu · prologgue · prolouge

Frequently Asked Questions

Do "prologue" and "prolongée" mean the same thing in a sentence?
No - they are not even the same part of speech. "prologue" is a noun and "prolongée" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "prologue" vs "prolongée" - which ranks higher?
"prolongée" is the more common of the two: it sits at frequency rank #9,537 in our French list, against #18,566 for "prologue". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "prologue" and "prolongée" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "prologue" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prolongée" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #324,902 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "prologue" and "prolongée" also get mixed up with nearby pairs, the highest-scored neighbour is "prolongée 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 #324,902 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