prosvsprotWhich spelling fits?

Which to use

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

#10,766
“pros” frequency rank
#39,954
“prot” frequency rank
50720
confusion score

Side-by-Side Comparison

Feature pros prot
Definition Pluriel de pro. Protéine.

Where the eye mixes pros and prot

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

4 ch
pros
4 ch
prot

Look-alike desk: pros vs prot

A purely visual mix-up. pros (\pʁo\) and prot (\pʁɔt\) 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 a single letter - s in “pros” becomes t in “prot”. Our composite confusion score for this pair is 50720, derived from the frequency rank of both members and their visual similarity.

pros is recorded at frequency rank #10,766, classified as anoun, pronounced \pʁo\. prot is at rank #39,954, tagged as anoun, pronounced \pʁɔt\.

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 50720, this pair ranks #160,479 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pros vs prot

Shared letters: opr. Private to "pros": s. Private to "prot": t.

"pros" · 4 letters · shape CCVC  ·  "prot" · 4 letters · shape CCVC

Known mistypes of this pair

  • prospors · ppros · pross · prros · prso · rpos
  • protpprot · prott · prrot · prto · rpot

Frequently Asked Questions

Can "pros" and "prot" be used interchangeably?
No. They are said differently (\pʁo\ versus \pʁɔt\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "pros" or "prot"?
"pros" is the more common of the two: it sits at frequency rank #10,766 in our French list, against #39,954 for "prot". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "pros" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prot" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #160,479 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "pros" and "prot" also get mixed up with nearby pairs, the highest-scored neighbour is "prep vs prot". 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 #160,479 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