porvspufWhich spelling fits?

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

Which to use

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

#18
“por” frequency rank
#39,341
“puf” frequency rank
39359
confusion score

Side-by-Side Comparison

Feature por puf
Definition exprime, entre outras relações, causa, modo, tempo, meio, lugar, qualidade, estado, preço, etc expressa que algo ou alguém sumiu

Letter map: por vs puf

Shared letters muted; letters that set por and puf apart highlighted. Shared run: 1. por and puf follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
por
3 ch
puf

Role in the sentence - por and puf

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: por 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 39359, derived from the frequency rank of both members and their visual similarity.

por is recorded at frequency rank #18, classified as aprep, pronounced /poɾ/, /pʊɾ/. 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 39359, this pair ranks #26,915 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of por vs puf

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

"por" · 3 letters · shape CVC  ·  "puf" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "por" for "puf" ever safe?
No - they are not even the same part of speech. "por" is a preposition and "puf" an intj, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "por" or "puf" show up more?
"por" is the more common of the two: it sits at frequency rank #18 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

Done with this confusable. These links stay specific to "por" and "puf".

  • Full dictionary entry for "por" 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 #26,915 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "por" and "puf" also get mixed up with nearby pairs, the highest-scored neighbour is "pix vs puf". Nearby pair

Confusion rank #26,915 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