per vs pum, What's the Difference?

Which to use

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

#5,775
“per” frequency rank: #28,340
“pum” frequency rank: 34115
confusion score

Side-by-Side Comparison

Feature	per	pum
Definition	por	exclamação que demonstra a imitação do som da queda de um objeto

Letter map: per vs pum

Shared letters muted; letters that set per and pum apart highlighted. Shared run: 1.

3 ch

per

3 ch

pum

Grammar separator: per vs pum

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: per is apreposition and pumanintj. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 34115, derived from the frequency rank of both members and their visual similarity.

per is recorded at frequency rank #5,775, classified as aprep. pum is at rank #28,340, tagged as anintj, pronounced /ˈpũ/.

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 34115, this pair ranks #33,236 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of per vs pum

Shared letters: p. Private to "per": er. Private to "pum": mu.

"per" · 3 letters · shape CVC · "pum" · 3 letters · shape CVC

Frequently Asked Questions

Do "per" and "pum" mean the same thing in a sentence?

No - they are not even the same part of speech. "per" is a preposition and "pum" an intj, so a sentence built for one is usually ungrammatical with the other.

In ordinary Portuguese text, does "per" or "pum" show up more?

"per" is the more common of the two: it sits at frequency rank #5,775 in our Portuguese list, against #28,340 for "pum". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "per" vs "pum" is on the table, pick a follow-up below.

Full dictionary entry for "per" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "pum" - compare definitions side by side with the headword page. Word entry
This pair ranks #33,236 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"per" and "pum" also get mixed up with nearby pairs, the highest-scored neighbour is "pix vs pum". Nearby pair

Confusion rank #33,236 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.