perovsprolTell them apart

Quick tell: pero is a conjunction, prol is a noun, so they fill different roles in a sentence.

Which to use

“pero” is a conjunction and “prol” is a noun - they look or sound alike but fill different roles in a sentence.

#17,884
“pero” frequency rank
#6,692
“prol” frequency rank
24576
confusion score

Side-by-Side Comparison

Feature pero prol
Definition mas, porém proveito, lucro, vantagem

Letter map: pero vs prol

Shared letters muted; letters that set pero and prol apart highlighted. Shared run: 3.

4 ch
pero
4 ch
prol

Role in the sentence - pero and prol

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: pero is aconjunction and prolanoun. On the page they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 24576, derived from the frequency rank of both members and their visual similarity.

pero is recorded at frequency rank #17,884, classified as aconj, pronounced /ˈpe.ɾu/. prol is at rank #6,692, tagged as anoun.

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 24576, this pair ranks #44,996 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pero vs prol

Shared letters: opr. Private to "pero": e. Private to "prol": l.

"pero" · 4 letters · shape CVCV  ·  "prol" · 4 letters · shape CCVC

Known mistypes of this pair

  • peroepro · peor · perro · ppero · preo
  • prolporl · pprol · prlo · proll · prrol · rpol

Frequently Asked Questions

Is swapping "pero" for "prol" ever safe?
No - they are not even the same part of speech. "pero" is a conjunction and "prol" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "pero" or "prol"?
"prol" is the more common of the two: it sits at frequency rank #6,692 in our Portuguese list, against #17,884 for "pero". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "pero" vs "prol" is on the table, pick a follow-up below.

  • Full dictionary entry for "pero" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prol" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #44,996 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "pero" and "prol" also get mixed up with nearby pairs, the highest-scored neighbour is "pero vs pomo". 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 #44,996 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