postéritévsprospéritéTell them apart

Which to use

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

#12,023
“postérité” frequency rank
#9,223
“prospérité” frequency rank
21246
confusion score

Side-by-Side Comparison

Feature postérité prospérité
Definition Suite de ceux qui descendent d’une même origine. Heureux état, heureuse situation, soit des affaires générales, soit des affaires particulières.

Where the eye mixes postérité and prospérité

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. postérité runs 9 letters (CVCCVCVCV) against prospérité's 10 (CCVCCVCVCV) - the length gap alone is often enough to separate them once you know to check it.

9 ch
postérité
10 ch
prospérité

Visual trap between postérité and prospérité

A purely visual mix-up. postérité (\pɔs.te.ʁi.te\) and prospérité (\pʁɔs.pe.ʁi.te\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 21246, derived from the frequency rank of both members and their visual similarity.

postérité is recorded at frequency rank #12,023, classified as anoun, pronounced \pɔs.te.ʁi.te\. prospérité is at rank #9,223, tagged as anoun, pronounced \pʁɔs.pe.ʁi.te\.

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 21246, this pair ranks #364,161 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of postérité vs prospérité

Shared letters: ioprsté. Private to "postérité": -. Private to "prospérité": -.

"postérité" · 9 letters · shape CVCCVCVCV  ·  "prospérité" · 10 letters · shape CCVCCVCVCV

Frequently Asked Questions

Do "postérité" and "prospérité" mean the same thing in a sentence?
No. They are said differently (\pɔs.te.ʁi.te\ versus \pʁɔs.pe.ʁi.te\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "postérité" or "prospérité"?
"prospérité" is the more common of the two: it sits at frequency rank #9,223 in our French list, against #12,023 for "postérité". 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 "postérité" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prospérité" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #364,161 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "postérité" and "prospérité" also get mixed up with nearby pairs, the highest-scored neighbour is "postérité vs poterie". Nearby pair

Confusion rank #364,161 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