Which to use
“act” is a verb and “apt” is an adjective - they look or sound alike but fill different roles in a sentence.
- #9,948
- “act” frequency rank
- #41,338
- “apt” frequency rank
- 51286
- confusion score
Side-by-Side Comparison
| Feature | act | apt |
|---|---|---|
| Definition | agir | apto |
Where the spellings diverge
Shared letters are muted; the letters that actually set act and apt apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: act is averb and aptanadjective. On the page they differ by a single letter - c in “act” becomes p in “apt”. Our composite confusion score for this pair is 51286, derived from the frequency rank of both members and their visual similarity.
act is recorded at frequency rank #9,948, classified as averb. apt is at rank #41,338, tagged as anadj, pronounced /æpt/.
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 51286, this pair ranks #13,722 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of act vs apt
Shared letters: at. Private to "act": c. Private to "apt": p.
"act" · 3 letters · shape VCC · "apt" · 3 letters · shape VCC
Frequency comparison
Frequently Asked Questions
Can "act" and "apt" be used interchangeably?
Which is more common, "act" or "apt"?
Remembering act vs apt
The fastest way to pick the right one every time.
- Check the role first: if you need a verb, it's “act”; for an adjective, it's “apt”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “act” entry
- Browse more pairs most likely to be confused. Most confusable