provspufWhich spelling fits?

Quick tell: pro is a preposition, puf is an intj, so they fill different roles in a sentence.

Which to use

“pro” is a preposition and “puf” is an intj - they look or sound alike but fill different roles in a sentence.

#1,173
“pro” frequency rank
#39,341
“puf” frequency rank
40514
confusion score

Side-by-Side Comparison

Feature pro puf
Definition para expressa que algo ou alguém sumiu

Letter map: pro vs puf

Shared letters muted; letters that set pro and puf apart highlighted. Shared run: 1.

3 ch
pro
3 ch
puf

Role in the sentence - pro and puf

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: pro is apreposition and pufanintj. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 40514, derived from the frequency rank of both members and their visual similarity.

pro is recorded at frequency rank #1,173, classified as aprep, pronounced /ˈprɔ/ ouvir^(fonte ?). puf is at rank #39,341, tagged as anintj.

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 40514, this pair ranks #25,576 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

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 not even the same part of speech. "pro" is a preposition and "puf" an intj, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "pro" or "puf"?
"pro" is the more common of the two: it sits at frequency rank #1,173 in our Portuguese list, against #39,341 for "puf". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

You've compared "pro" and "puf". Here's where to go from here.

  • 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 #25,576 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "pro" and "puf" also get mixed up with nearby pairs, the highest-scored neighbour is "pix vs puf". Nearby pair

Confusion rank #25,576 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list