prismevspuisseTell them apart

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

Which to use

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

#15,970
“prisme” frequency rank
#909
“puisse” frequency rank
16879
confusion score

Side-by-Side Comparison

Feature prisme puisse
Definition Polyèdre ayant pour bases deux polygones égaux et parallèles, dont les côtés homologues sont unis par des parallélogrammes. Première personne du singulier du présent du subjonctif de pouvoir.

Where the eye mixes prisme and puisse

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. prisme (CCVCCV) and puisse (CVVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
prisme
6 ch
puisse

Visual trap between prisme and puisse

These two trip readers on the page rather than in the ear: prisme is \pʁism\ while puisse is \pɥis\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 16879, derived from the frequency rank of both members and their visual similarity.

prisme is recorded at frequency rank #15,970, classified as anoun, pronounced \pʁism\. puisse is at rank #909, tagged as averb, pronounced \pɥis\.

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 16879, this pair ranks #385,812 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of prisme vs puisse

Shared letters: eips. Private to "prisme": mr. Private to "puisse": u.

"prisme" · 6 letters · shape CCVCCV  ·  "puisse" · 6 letters · shape CVVCCV

Known mistypes of this pair

  • prisme ← pirsme · pprisme · primse · prisem · prismme · prissme · prrisme · prsime
  • puisse ← piusse · ppuisse · puise · puises · pusise · upisse

Frequently Asked Questions

Is swapping "prisme" for "puisse" ever safe?
No - they are not even the same part of speech. "prisme" is a noun and "puisse" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "prisme" or "puisse" show up more?
"puisse" is the more common of the two: it sits at frequency rank #909 in our French list, against #15,970 for "prisme". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "prisme" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "puisse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #385,812 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "prisme" and "puisse" also get mixed up with nearby pairs, the highest-scored neighbour is "priée vs prisme". 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 #385,812 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