Which to use
“ach” is an intj and “APA” is an abbrev - they look or sound alike but fill different roles in a sentence.
- #48,212
- “ach” frequency rank
- #23,196
- “APA” frequency rank
- 71408
- confusion score
Side-by-Side Comparison
| Feature | ach | APA |
|---|---|---|
| Definition | oh | área de proteção ambiental |
Letter map: ach vs APA
Shared letters muted; letters that set ach and APA apart highlighted. Shared run: 1. ach (VCC) and APA (VCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Grammar separator: ach vs APA
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ach is anintj and APAanabbrev. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 71408, derived from the frequency rank of both members and their visual similarity.
ach is recorded at frequency rank #48,212, classified as anintj. APA is at rank #23,196, tagged as anabbrev.
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 71408, this pair ranks #3,344 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of ach vs APA
Shared letters: a. Private to "ach": ch. Private to "APA": p.
"ach" · 3 letters · shape VCC · "APA" · 3 letters · shape VCV
Frequently Asked Questions
Is swapping "ach" for "APA" ever safe?
In ordinary Portuguese text, does "ach" or "APA" show up more?
After this comparison
You've compared "ach" and "APA". Here's where to go from here.
- Full dictionary entry for "ach" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "APA" - compare definitions side by side with the headword page. Word entry
- This pair ranks #3,344 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ach" and "APA" also get mixed up with nearby pairs, the highest-scored neighbour is "ach vs acs". Nearby pair
Confusion rank #3,344 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.