prisvsProstWhich spelling fits?

Quick tell: pris is a adjective, Prost is a name, so they fill different roles in a sentence.

Which to use

“pris” is an adjective and “Prost” is a name - they look or sound alike but fill different roles in a sentence.

#302
“pris” frequency rank
#33,843
“Prost” frequency rank
34145
confusion score

Side-by-Side Comparison

Feature pris Prost
Definition Occupé, pas disponible. Nom de famille.

Where the eye mixes pris and Prost

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
pris
5 ch
Prost

Why the eye confuses pris with Prost

These two trip readers on the page rather than in the ear: pris is \pʁi\ while Prost is \pʁɔst\. 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 name), which is usually the fastest check. Our composite confusion score for this pair is 34145, derived from the frequency rank of both members and their visual similarity.

pris is recorded at frequency rank #302, classified as anadj, pronounced \pʁi\. Prost is at rank #33,843, tagged as aname, pronounced \pʁɔst\.

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 34145, this pair ranks #285,845 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pris vs Prost

Shared letters: prs. Private to "pris": i. Private to "Prost": ot.

"pris" · 4 letters · shape CCVC  ·  "Prost" · 5 letters · shape CCVCC

Known mistypes of this pair

  • prispirs · ppris · priss · prris · prsi · rpis
  • Prostpprost · prosst · prostt · prrost · prsot · rpost

Frequently Asked Questions

Is swapping "pris" for "Prost" ever safe?
No - they are not even the same part of speech. "pris" is an adjective and "Prost" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "pris" vs "Prost" - which ranks higher?
"pris" is the more common of the two: it sits at frequency rank #302 in our French list, against #33,843 for "Prost". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "pris" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Prost" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #285,845 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "pris" and "Prost" also get mixed up with nearby pairs, the highest-scored neighbour is "prism vs Prost". 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 #285,845 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