altavsaltezaConfusable pair

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

Which to use

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

#818
“alta” frequency rank
#15,009
“alteza” frequency rank
15827
confusion score

Side-by-Side Comparison

Feature alta alteza
Definition alto, elevado qualidade do que é alto

Where the eye mixes alta and alteza

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. alta runs 4 letters (VCCV) against alteza's 6 (VCCVCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
alta
6 ch
alteza

Visual trap between alta and alteza

These two trip readers on the page rather than in the ear: alta is /ˈal.ta/. while alteza is /aɫ.ˈte.zɐ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 15827, derived from the frequency rank of both members and their visual similarity.

alta is recorded at frequency rank #818, classified as anadj, pronounced /ˈal.ta/.. alteza is at rank #15,009, tagged as anoun, pronounced /aɫ.ˈte.zɐ/.

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 15827, this pair ranks #55,898 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of alta vs alteza

Shared letters: alt. Private to "alta": -. Private to "alteza": ez.

"alta" · 4 letters · shape VCCV  ·  "alteza" · 6 letters · shape VCCVCV

Known mistypes of this pair

  • alta ← alat · allta · altta · atla
  • alteza ← aletza · allteza · alteaz · altezza · altteza · altzea · atleza · lateza

Frequently Asked Questions

Is swapping "alta" for "alteza" ever safe?
No - they are not even the same part of speech. "alta" is an adjective and "alteza" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "alta" vs "alteza" - which ranks higher?
"alta" is the more common of the two: it sits at frequency rank #818 in our Portuguese list, against #15,009 for "alteza". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "alta" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "alteza" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #55,898 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "alta" and "alteza" also get mixed up with nearby pairs, the highest-scored neighbour is "alteza vs ateia". 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 #55,898 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