costumevscostumedConfusable pair

Quick tell: costume is a noun, costumed is an adjective, so they fill different roles in a sentence.

Which to use

“costume” is a noun and “costumed” is an adjective - they look or sound alike but fill different roles in a sentence.

#5,315
“costume” frequency rank
#40,188
“costumed” frequency rank
45503
confusion score

Side-by-Side Comparison

Feature costume costumed
Definition A style of dress, including garments, accessories and hairstyle, especially as characteristic of a particular country, period or people. Wearing a costume; disguised.

Letter map: costume vs costumed

Shared letters muted; letters that set costume and costumed apart highlighted. Shared run: 7. costume runs 7 letters (CVCCVCV) against costumed's 8 (CVCCVCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
costume
8 ch
costumed

Role in the sentence - costume and costumed

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: costume is anoun and costumedanadjective. On the page they differ by 1 extra letter(s) - “costume” sits inside “costumed”. Our composite confusion score for this pair is 45503, derived from the frequency rank of both members and their visual similarity.

costume is recorded at frequency rank #5,315, classified as anoun, pronounced /ˈkɒs.tjuːm/. costumed is at rank #40,188, tagged as anadj.

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 45503, this pair ranks #220,678 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of costume vs costumed

Shared letters: cemostu. Private to "costume": -. Private to "costumed": d.

"costume" · 7 letters · shape CVCCVCV  ·  "costumed" · 8 letters · shape CVCCVCVC

Known mistypes of this pair

  • costume ← ccostume · cosstume · costmue · costtume · costuem · costumme · cosutme · cotsume
  • costumed ← ccostumed · cosstumed · costmued · costtumed · costuemd · costumde · costumedd · costummed

Frequently Asked Questions

Can "costume" and "costumed" be used interchangeably?
No - they are not even the same part of speech. "costume" is a noun and "costumed" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "costume" vs "costumed" - which ranks higher?
"costume" is the more common of the two: it sits at frequency rank #5,315 in our English list, against #40,188 for "costumed". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "costume" vs "costumed" is on the table, pick a follow-up below.

  • Full dictionary entry for "costume" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "costumed" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #220,678 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "costume" and "costumed" also get mixed up with nearby pairs, the highest-scored neighbour is "consumed vs costumed". 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 #220,678 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