Which to use
“ache” is a noun and “act” is a verb - they look or sound alike but fill different roles in a sentence.
- #9,947
- “ache” frequency rank
- #9,948
- “act” frequency rank
- 19895
- confusion score
Side-by-Side Comparison
| Feature | ache | act |
|---|---|---|
| Definition | dor, axe | agir |
Letter map: ache vs act
Shared letters muted; letters that set ache and act apart highlighted. Shared run: 2.
Grammar separator: ache vs act
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ache is anoun and actaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 19895, derived from the frequency rank of both members and their visual similarity.
ache is recorded at frequency rank #9,947, classified as anoun, pronounced /eɪk/. act is at rank #9,948, tagged as averb.
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 19895, this pair ranks #50,736 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ache vs act
Shared letters: ac. Private to "ache": eh. Private to "act": t.
"ache" · 4 letters · shape VCCV · "act" · 3 letters · shape VCC
Known mistypes of this pair
- ache ← acche · aceh · achhe · ahce · cahe
Frequently Asked Questions
Can "ache" and "act" be used interchangeably?
In ordinary Portuguese text, does "ache" or "act" show up more?
After this comparison
You've compared "ache" and "act". Here's where to go from here.
- Full dictionary entry for "ache" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "act" - compare definitions side by side with the headword page. Word entry
- This pair ranks #50,736 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ache" and "act" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs act". 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 #50,736 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.