acsvsaraWhat's the difference?

Which to use

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

#49,775
“acs” frequency rank
#21,083
“ara” frequency rank
70858
confusion score

Side-by-Side Comparison

Feature acs ara
Definition olho (órgão da visão) altar

Where the eye mixes acs and ara

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

3 ch
acs
3 ch
ara

Visual trap between acs and ara

A purely visual mix-up. acs ([ats]) and ara (/ˈa.ɾɐ/) 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 70858, 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]. ara is at rank #21,083, tagged as anoun, pronounced /ˈa.ɾɐ/.

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 70858, this pair ranks #3,507 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of acs vs ara

Shared letters: a. Private to "acs": cs. Private to "ara": r.

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

Frequently Asked Questions

Is swapping "acs" for "ara" ever safe?
No. They are said differently ([ats] versus /ˈa.ɾɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "acs" vs "ara" - which ranks higher?
"ara" is the more common of the two: it sits at frequency rank #21,083 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

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

  • Full dictionary entry for "acs" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ara" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #3,507 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "acs" and "ara" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs ASC". Nearby pair

Confusion rank #3,507 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