Which to use
“aces” is a noun and “ACS” is a name - they look or sound alike but fill different roles in a sentence.
- #17,284
- “aces” frequency rank
- #24,368
- “ACS” frequency rank
- 41652
- confusion score
Side-by-Side Comparison
| Feature | aces | ACS |
|---|---|---|
| Definition | plural of ace | Initialism of Australian Computer Society. |
Letter map: aces vs ACS
Shared letters muted; letters that set aces and ACS apart highlighted. Shared run: 3.
Part-of-speech tell for aces / ACS
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: aces is anoun and ACSaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 41652, derived from the frequency rank of both members and their visual similarity.
aces is recorded at frequency rank #17,284, classified as anoun, pronounced /ˈeɪ.sɪz/. ACS is at rank #24,368, 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 41652, this pair ranks #256,300 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of aces vs ACS
Shared letters: acs. Private to "aces": e. Private to "ACS": -.
"aces" · 4 letters · shape VCVC · "ACS" · 3 letters · shape VCC
Known mistypes of this pair
- aces ← aecs
Frequently Asked Questions
Can "aces" and "ACS" be used interchangeably?
Which is more common, "aces" or "ACS"?
What to do next
Done with this confusable. These links stay specific to "aces" and "ACS".
- Full dictionary entry for "aces" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ACS" - compare definitions side by side with the headword page. Word entry
- This pair ranks #256,300 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "aces" and "ACS" also get mixed up with nearby pairs, the highest-scored neighbour is "ACS vs amb". 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 #256,300 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.