provspufWhich spelling fits?

Which to use

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

#1,039
“pro” frequency rank
#21,128
“puf” frequency rank
22167
confusion score

Side-by-Side Comparison

Feature pro puf
Definition Professionnel, professionnelle. Pouf.

Where the eye mixes pro and puf

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
pro
3 ch
puf

Why the eye confuses pro with puf

A purely visual mix-up. pro (\pʁo\) and puf (\puf\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 22167, derived from the frequency rank of both members and their visual similarity.

pro is recorded at frequency rank #1,039, classified as anoun, pronounced \pʁo\. puf is at rank #21,128, tagged as anoun, pronounced \puf\.

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 22167, this pair ranks #359,505 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of pro vs puf

Shared letters: p. Private to "pro": or. Private to "puf": fu.

"pro" · 3 letters · shape CCV  ·  "puf" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "pro" for "puf" ever safe?
No. They are said differently (\pʁo\ versus \puf\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "pro" or "puf"?
"pro" is the more common of the two: it sits at frequency rank #1,039 in our French list, against #21,128 for "puf". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "pro" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "puf" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #359,505 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "pro" and "puf" also get mixed up with nearby pairs, the highest-scored neighbour is "pio vs puf". Nearby pair

Confusion rank #359,505 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