Which to use
“ach” is an intj and “acs” is a noun - they look or sound alike but fill different roles in a sentence.
- #48,212
- “ach” frequency rank
- #49,775
- “acs” frequency rank
- 97987
- confusion score
Side-by-Side Comparison
| Feature | ach | acs |
|---|---|---|
| Definition | oh | olho (órgão da visão) |
Letter map: ach vs acs
Shared letters muted; letters that set ach and acs apart highlighted. Shared run: 2. ach and acs follow the identical consonant-vowel pattern (VCC). Same shape at a glance is often the real trap, independent of shared letters.
Part-of-speech tell for ach / acs
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ach is anintj and acsanoun. On the page they differ by a single letter - h in “ach” becomes s in “acs”. Our composite confusion score for this pair is 97987, derived from the frequency rank of both members and their visual similarity.
ach is recorded at frequency rank #48,212, classified as anintj. 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 97987, this pair ranks #15 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of ach vs acs
Shared letters: ac. Private to "ach": h. Private to "acs": s.
"ach" · 3 letters · shape VCC · "acs" · 3 letters · shape VCC
Frequently Asked Questions
Do "ach" and "acs" mean the same thing in a sentence?
Which is more common, "ach" or "acs"?
Useful next steps
Done with this confusable. These links stay specific to "ach" and "acs".
- Full dictionary entry for "ach" 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 #15 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ach" and "acs" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs ASC". Nearby pair
Confusion rank #15 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.