Which to use
“alter” is a pronoun and “alterar” is a verb - they look or sound alike but fill different roles in a sentence.
- #23,189
- “alter” frequency rank
- #5,593
- “alterar” frequency rank
- 28782
- confusion score
Side-by-Side Comparison
| Feature | alter | alterar |
|---|---|---|
| Definition | outro (dentre dois) | tornar diferente em algum aspecto como tamanho, peso, estilo, etc |
Where the spellings diverge
Shared letters are muted; the letters that actually set alter and alterar apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
alter and alterar form a confusable pair in the Portuguese index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 2 extra letter(s) - “alter” sits inside “alterar” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 28782, derived from the frequency rank of both members and their visual similarity.
alter is recorded at frequency rank #23,189, classified as apron. alterar is at rank #5,593, tagged as averb, pronounced /aɫ.tɨ.ˈɾaɾ/.
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 28782, this pair ranks #40,000 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Frequency comparison
Frequently Asked Questions
Can "alter" and "alterar" be used interchangeably?
Remembering alter vs alterar
The fastest way to pick the right one every time.
- Check the role first: if you need a pronoun, it's “alter”; for a verb, it's “alterar”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “alter” entry
- Browse more pairs most likely to be confused. Most confusable