alter vs ateu, What's the Difference?

Which to use

“alter” is a pronoun and “ateu” is an adjective - they look or sound alike but fill different roles in a sentence.

#23,189
“alter” frequency rank: #14,779
“ateu” frequency rank: 37968
confusion score

Side-by-Side Comparison

Feature	alter	ateu
Definition	outro (dentre dois)	que não crê na existência de nenhum deus

Letter map: alter vs ateu

Shared letters muted; letters that set alter and ateu apart highlighted. Shared run: 3.

5 ch

alter

4 ch

ateu

Grammar separator: alter vs ateu

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: alter is apronoun and ateuanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 37968, derived from the frequency rank of both members and their visual similarity.

alter is recorded at frequency rank #23,189, classified as apron. ateu is at rank #14,779, tagged as anadj, pronounced /a.ˈteu̯/.

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 37968, this pair ranks #28,566 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of alter vs ateu

Shared letters: aet. Private to "alter": lr. Private to "ateu": u.

"alter" · 5 letters · shape VCCVC · "ateu" · 4 letters · shape VCVV

Known mistypes of this pair

alter ← aletr · allter · alterr · altre · altter · atler
ateu ← aetu · atteu · atue · taeu

Frequently Asked Questions

Can "alter" and "ateu" be used interchangeably?

No - they are not even the same part of speech. "alter" is a pronoun and "ateu" an adjective, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "alter" or "ateu"?

"ateu" is the more common of the two: it sits at frequency rank #14,779 in our Portuguese list, against #23,189 for "alter". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "alter" vs "ateu" is on the table, pick a follow-up below.

Full dictionary entry for "alter" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "ateu" - compare definitions side by side with the headword page. Word entry
This pair ranks #28,566 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"alter" and "ateu" also get mixed up with nearby pairs, the highest-scored neighbour is "alles vs alter". 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 #28,566 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.