altvsavôWhat's the difference?

Quick tell: alt is a adjective, avô is a noun, so they fill different roles in a sentence.

Which to use

“alt” is an adjective and “avô” is a noun - they look or sound alike but fill different roles in a sentence.

#21,650
“alt” frequency rank
#3,962
“avô” frequency rank
25612
confusion score

Side-by-Side Comparison

Feature alt avô
Definition velho pai da mãe ou do pai

Where the eye mixes alt and avô

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
alt
3 ch
avô

Why the eye confuses alt with avô

These two trip readers on the page rather than in the ear: alt is /alt/ while avô is /ɐ.ˈvo/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 25612, derived from the frequency rank of both members and their visual similarity.

alt is recorded at frequency rank #21,650, classified as anadj, pronounced /alt/. avô is at rank #3,962, tagged as anoun, pronounced /ɐ.ˈvo/.

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 25612, this pair ranks #43,679 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of alt vs avô

Shared letters: a. Private to "alt": lt. Private to "avô": .

"alt" · 3 letters · shape VCC  ·  "avô" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "alt" for "avô" ever safe?
No - they are not even the same part of speech. "alt" is an adjective and "avô" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "alt" vs "avô" - which ranks higher?
"avô" is the more common of the two: it sits at frequency rank #3,962 in our Portuguese list, against #21,650 for "alt". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "alt" and "avô" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "alt" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "avô" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #43,679 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "alt" and "avô" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs alt". Nearby pair

Confusion rank #43,679 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