Which to use
“aced” is a verb and “acer” is a noun - they look or sound alike but fill different roles in a sentence.
- #46,285
- “aced” frequency rank
- #24,367
- “acer” frequency rank
- 70652
- confusion score
Side-by-Side Comparison
| Feature | aced | acer |
|---|---|---|
| Definition | simple past and past participle of ace | A plant of the genus Acer; a maple. |
Where the eye mixes aced and acer
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. aced and acer follow the identical consonant-vowel pattern (VCVC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses aced with acer
These two trip readers on the page rather than in the ear: aced is /eɪst/ while acer is /ˈeɪsə/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - d in “aced” becomes r in “acer”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 70652, derived from the frequency rank of both members and their visual similarity.
aced is recorded at frequency rank #46,285, classified as averb, pronounced /eɪst/. acer is at rank #24,367, tagged as anoun, pronounced /ˈeɪsə/.
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 70652, this pair ranks #49,690 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of aced vs acer
Shared letters: ace. Private to "aced": d. Private to "acer": r.
"aced" · 4 letters · shape VCVC · "acer" · 4 letters · shape VCVC
Known mistypes of this pair
Frequently Asked Questions
Can "aced" and "acer" be used interchangeably?
Which is more common, "aced" or "acer"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "aced" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "acer" - compare definitions side by side with the headword page. Word entry
- This pair ranks #49,690 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "aced" and "acer" also get mixed up with nearby pairs, the highest-scored neighbour is "aced vs ake". 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 #49,690 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.