acevsacedTell them apart

Quick tell: ace is a noun, aced is a verb, so they fill different roles in a sentence.

Which to use

“ace” is a noun and “aced” is a verb - they look or sound alike but fill different roles in a sentence.

#5,930
“ace” frequency rank
#46,285
“aced” frequency rank
52215
confusion score

Side-by-Side Comparison

Feature ace aced
Definition A playing card showing a single pip, typically the highest or lowest ranking card in a game. simple past and past participle of ace

Where the eye mixes ace and aced

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
ace
4 ch
aced

Why the eye confuses ace with aced

These two trip readers on the page rather than in the ear: ace is /eɪs/ while aced is /eɪst/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “ace” sits inside “aced”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 52215, derived from the frequency rank of both members and their visual similarity.

ace is recorded at frequency rank #5,930, classified as anoun, pronounced /eɪs/. aced is at rank #46,285, tagged as averb, pronounced /eɪst/.

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 52215, this pair ranks #158,921 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ace vs aced

Shared letters: ace. Private to "ace": -. Private to "aced": d.

"ace" · 3 letters · shape VCV  ·  "aced" · 4 letters · shape VCVC

Known mistypes of this pair

  • acedacced · acde · acedd · aecd · caed

Frequently Asked Questions

Is swapping "ace" for "aced" ever safe?
No - they are not even the same part of speech. "ace" is a noun and "aced" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ace" or "aced"?
"ace" is the more common of the two: it sits at frequency rank #5,930 in our English list, against #46,285 for "aced". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "ace" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aced" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #158,921 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ace" and "aced" 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 #158,921 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list