Which to use
“acre” is a noun and “ACT” is a name - they look or sound alike but fill different roles in a sentence.
- #7,877
- “acre” frequency rank
- #497
- “ACT” frequency rank
- 8374
- confusion score
Side-by-Side Comparison
| Feature | acre | ACT |
|---|---|---|
| Definition | An English unit of land area (symbol: a. or ac.) originally denoting a day's ploughing for a yoke of oxen, now standardized as 4,840 square yards or 4,046.86 square metres. | Initialism of the Australian Capital Territory: a federal territory of Australia. |
Letter map: acre vs ACT
Shared letters muted; letters that set acre and ACT apart highlighted. Shared run: 2.
Grammar separator: acre vs ACT
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: acre is anoun and ACTaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 8374, derived from the frequency rank of both members and their visual similarity.
acre is recorded at frequency rank #7,877, classified as anoun, pronounced /ˈeɪ.kə/. ACT is at rank #497, tagged as aname.
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 8374, this pair ranks #502,834 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of acre vs ACT
Shared letters: ac. Private to "acre": er. Private to "ACT": t.
"acre" · 4 letters · shape VCCV · "ACT" · 3 letters · shape VCC
Known mistypes of this pair
- acre ← accre · acrre
Frequently Asked Questions
Is swapping "acre" for "ACT" ever safe?
Frequency check: "acre" vs "ACT" - which ranks higher?
Useful next steps
You've compared "acre" and "ACT". Here's where to go from here.
- Full dictionary entry for "acre" 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 #502,834 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "acre" and "ACT" also get mixed up with nearby pairs, the highest-scored neighbour is "acre vs ATR". 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 #502,834 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.