costume vs costumed, What's the Difference?

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.

Where the spellings diverge

Shared letters are muted; the letters that actually set costume and costumed apart are highlighted. They share 7 letters in sequence, which is exactly why the eye skips the difference.

7 ch

costume

8 ch

costumed

Spelling & Dictionary Insight

costume and costumed form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 extra letter(s) - “costume” sits inside “costumed” - close enough that the eye skips over the difference, far enough that meaning fully diverges. 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.

Frequency comparison

costume#5,315

costumed#40,188

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "costume" and "costumed" be used interchangeably?

No, "costume" and "costumed" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering costume vs costumed

The fastest way to pick the right one every time.

Check the role first: if you need a noun, it's “costume”; for an adjective, it's “costumed”.
See each word in full, definition, IPA, etymology and its other confusables. Full “costume” entry
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