Which to use
“ach” is an intj and “ache” is a noun - they look or sound alike but fill different roles in a sentence.
- #48,212
- “ach” frequency rank
- #9,947
- “ache” frequency rank
- 58159
- confusion score
Side-by-Side Comparison
| Feature | ach | ache |
|---|---|---|
| Definition | oh | dor, axe |
Letter map: ach vs ache
Shared letters muted; letters that set ach and ache apart highlighted. Shared run: 3. ach runs 3 letters (VCC) against ache's 4 (VCCV) - the length gap alone is often enough to separate them once you know to check it.
Grammar separator: ach vs ache
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ach is anintj and acheanoun. On the page they differ by 1 extra letter(s) - “ach” sits inside “ache”. Our composite confusion score for this pair is 58159, derived from the frequency rank of both members and their visual similarity.
ach is recorded at frequency rank #48,212, classified as anintj. ache is at rank #9,947, tagged as anoun, pronounced /eɪk/.
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 58159, this pair ranks #8,913 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of ach vs ache
Shared letters: ach. Private to "ach": -. Private to "ache": e.
"ach" · 3 letters · shape VCC · "ache" · 4 letters · shape VCCV
Known mistypes of this pair
- ache ← acche · aceh · achhe · ahce · cahe
Frequently Asked Questions
Is swapping "ach" for "ache" ever safe?
Frequency check: "ach" vs "ache" - which ranks higher?
Useful next steps
Done with this confusable. These links stay specific to "ach" and "ache".
- Full dictionary entry for "ach" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ache" - compare definitions side by side with the headword page. Word entry
- This pair ranks #8,913 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ach" and "ache" also get mixed up with nearby pairs, the highest-scored neighbour is "ach vs acs". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #8,913 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.