aipovsairWhat's the difference?

Quick tell: aipo is a noun, air is an adjective, so they fill different roles in a sentence.

Which to use

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

#44,191
“aipo” frequency rank
#6,609
“air” frequency rank
50800
confusion score

Side-by-Side Comparison

Feature aipo air
Definition planta herbácea odorífena da família das Umbelíferas cultivada para fins culinários; seu nome científico é Apium graveolens aéreo

Where the eye mixes aipo and air

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
aipo
3 ch
air

Look-alike desk: aipo vs air

These two trip readers on the page rather than in the ear: aipo is /ˈaj.pu/ while air is /ˈɛɹ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 50800, derived from the frequency rank of both members and their visual similarity.

aipo is recorded at frequency rank #44,191, classified as anoun, pronounced /ˈaj.pu/. air is at rank #6,609, tagged as anadj, pronounced /ˈɛɹ/.

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 50800, this pair ranks #14,154 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of aipo vs air

Shared letters: ai. Private to "aipo": op. Private to "air": r.

"aipo" · 4 letters · shape VVCV  ·  "air" · 3 letters · shape VVC

Known mistypes of this pair

  • aipoaiop · aippo · apio · iapo

Frequently Asked Questions

Can "aipo" and "air" be used interchangeably?
No - they are not even the same part of speech. "aipo" is a noun and "air" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "aipo" vs "air" - which ranks higher?
"air" is the more common of the two: it sits at frequency rank #6,609 in our Portuguese list, against #44,191 for "aipo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "aipo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "air" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #14,154 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "aipo" and "air" also get mixed up with nearby pairs, the highest-scored neighbour is "aipo vs apo". 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 #14,154 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