pesantvspuisantWhat's the difference?

Quick tell: pesant is a adjective, puisant is a verb, so they fill different roles in a sentence.

Which to use

“pesant” is an adjective and “puisant” is a verb - they look or sound alike but fill different roles in a sentence.

#11,097
“pesant” frequency rank
#35,660
“puisant” frequency rank
46757
confusion score

Side-by-Side Comparison

Feature pesant puisant
Definition Qui a du poids, qui est soumis à la force de la pesanteur. Participe présent de puiser.

Where the eye mixes pesant and puisant

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. pesant runs 6 letters (CVCVCC) against puisant's 7 (CVVCVCC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
pesant
7 ch
puisant

Visual trap between pesant and puisant

These two trip readers on the page rather than in the ear: pesant is \pə.zɑ̃\ while puisant is \pɥi.zɑ̃\. 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 (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 46757, derived from the frequency rank of both members and their visual similarity.

pesant is recorded at frequency rank #11,097, classified as anadj, pronounced \pə.zɑ̃\. puisant is at rank #35,660, tagged as averb, pronounced \pɥi.zɑ̃\.

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 46757, this pair ranks #192,344 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pesant vs puisant

Shared letters: anpst. Private to "pesant": e. Private to "puisant": iu.

"pesant" · 6 letters · shape CVCVCC  ·  "puisant" · 7 letters · shape CVVCVCC

Known mistypes of this pair

  • pesantepsant · peasnt · pesannt · pesantt · pesatn · pesnat · pessant · ppesant
  • puisantpiusant · ppuisant · puiasnt · puisannt · puisantt · puisatn · puisnat · pusiant

Frequently Asked Questions

Do "pesant" and "puisant" mean the same thing in a sentence?
No - they are not even the same part of speech. "pesant" is an adjective and "puisant" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "pesant" or "puisant" show up more?
"pesant" is the more common of the two: it sits at frequency rank #11,097 in our French list, against #35,660 for "puisant". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "pesant" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "puisant" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #192,344 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "pesant" and "puisant" also get mixed up with nearby pairs, the highest-scored neighbour is "puisant vs puisent". 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 #192,344 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