abovsacsWhich spelling fits?

Which to use

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

#39,944
“abo” frequency rank
#49,775
“acs” frequency rank
89719
confusion score

Side-by-Side Comparison

Feature abo acs
Definition aborígene, nativo australiano olho (órgão da visão)

Where the eye mixes abo and acs

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. abo (VCV) and acs (VCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
abo
3 ch
acs

Visual trap between abo and acs

A purely visual mix-up. abo (/ˈæb.əʉ/) and acs ([ats]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 89719, derived from the frequency rank of both members and their visual similarity.

abo is recorded at frequency rank #39,944, classified as anoun, pronounced /ˈæb.əʉ/. acs is at rank #49,775, tagged as anoun, pronounced [ats].

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 89719, this pair ranks #314 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of abo vs acs

Shared letters: a. Private to "abo": bo. Private to "acs": cs.

"abo" · 3 letters · shape VCV  ·  "acs" · 3 letters · shape VCC

Frequently Asked Questions

Do "abo" and "acs" mean the same thing in a sentence?
No. They are said differently (/ˈæb.əʉ/ versus [ats]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "abo" or "acs"?
"abo" is the more common of the two: it sits at frequency rank #39,944 in our Portuguese list, against #49,775 for "acs". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "abo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "acs" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #314 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "abo" and "acs" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs ASC". Nearby pair

Confusion rank #314 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