aerovsalegroWhat's the difference?

Which to use

“aero” and “alegro” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#29,208
“aero” frequency rank
#45,167
“alegro” frequency rank
74375
confusion score

Side-by-Side Comparison

Feature aero alegro
Definition ar, vento andamento rápido e vivaz (de 120 a 156 bpm)

Where the eye mixes aero and alegro

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

4 ch
aero
6 ch
alegro

Why the eye confuses aero with alegro

A purely visual mix-up. aero (/a.ˈɛ.rɔ/) and alegro (/ɐ.ˈlɛ.ɡɾo/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 74375, derived from the frequency rank of both members and their visual similarity.

aero is recorded at frequency rank #29,208, classified as anoun, pronounced /a.ˈɛ.rɔ/. alegro is at rank #45,167, tagged as anoun, pronounced /ɐ.ˈlɛ.ɡɾo/.

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 74375, this pair ranks #2,537 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of aero vs alegro

Shared letters: aeor. Private to "aero": -. Private to "alegro": gl.

"aero" · 4 letters · shape VVCV  ·  "alegro" · 6 letters · shape VCVCCV

Known mistypes of this pair

  • aero ← aeor · aerro · areo · earo
  • alegro ← aelgro · aleggro · alegor · alegrro · alergo · algero · allegro · laegro

Frequently Asked Questions

Can "aero" and "alegro" be used interchangeably?
No. They are said differently (/a.ˈɛ.rɔ/ versus /ɐ.ˈlɛ.ɡɾo/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "aero" vs "alegro" - which ranks higher?
"aero" is the more common of the two: it sits at frequency rank #29,208 in our Portuguese list, against #45,167 for "alegro". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "aero" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "alegro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #2,537 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "aero" and "alegro" also get mixed up with nearby pairs, the highest-scored neighbour is "alegro vs Aleixo". 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 #2,537 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