acsvsakWhich spelling fits?

Which to use

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

#49,775
“acs” frequency rank
#15,974
“ak” frequency rank
65749
confusion score

Side-by-Side Comparison

Feature acs ak
Definition olho (órgão da visão) irmão (que não é o primogênito)

Where the eye mixes acs and ak

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
acs
2 ch
ak

Look-alike desk: acs vs ak

A purely visual mix-up. acs ([ats]) and ak (/ák̚/) 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 1 letter(s) in length. Our composite confusion score for this pair is 65749, derived from the frequency rank of both members and their visual similarity.

acs is recorded at frequency rank #49,775, classified as anoun, pronounced [ats]. ak is at rank #15,974, tagged as anoun, pronounced /ák̚/.

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 65749, this pair ranks #5,262 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of acs vs ak

Shared letters: a. Private to "acs": cs. Private to "ak": k.

"acs" · 3 letters · shape VCC  ·  "ak" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "acs" for "ak" ever safe?
No. They are said differently ([ats] versus /ák̚/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "acs" or "ak"?
"ak" is the more common of the two: it sits at frequency rank #15,974 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.

Useful next steps

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

  • Full dictionary entry for "acs" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ak" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #5,262 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "acs" and "ak" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs ASC". Nearby pair

Confusion rank #5,262 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