áridovsaviãoWhat's the difference?

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

Which to use

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

#25,518
“árido” frequency rank
#2,262
“avião” frequency rank
27780
confusion score

Side-by-Side Comparison

Feature árido avião
Definition sem umidade aparelho mais pesado que o ar empregado em navegação aérea

Letter map: árido vs avião

Shared letters muted; letters that set árido and avião apart highlighted. Shared run: 2. árido (VCVCV) and avião (VCVVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
árido
5 ch
avião

Grammar separator: árido vs avião

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: árido is anadjective and aviãoanoun. On the page they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 27780, derived from the frequency rank of both members and their visual similarity.

árido is recorded at frequency rank #25,518, classified as anadj, pronounced /ˈa.ɾi.du/. avião is at rank #2,262, tagged as anoun.

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 27780, this pair ranks #41,156 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of árido vs avião

Shared letters: io. Private to "árido": drá. Private to "avião": avã.

"árido" · 5 letters · shape VCVCV  ·  "avião" · 5 letters · shape VCVVV

Frequently Asked Questions

Can "árido" and "avião" be used interchangeably?
No - they are not even the same part of speech. "árido" is an adjective and "avião" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "árido" or "avião"?
"avião" is the more common of the two: it sits at frequency rank #2,262 in our Portuguese list, against #25,518 for "árido". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pair "árido" vs "avião" is on the table, pick a follow-up below.

  • Full dictionary entry for "árido" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "avião" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #41,156 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "árido" and "avião" also get mixed up with nearby pairs, the highest-scored neighbour is "alado vs árido". Nearby pair

Confusion rank #41,156 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