casedvscoedConfusable pair

Quick tell: cased is a verb, coed is an adjective, so they fill different roles in a sentence.

Which to use

“cased” is a verb and “coed” is an adjective - they look or sound alike but fill different roles in a sentence.

#48,121
“cased” frequency rank
#32,735
“coed” frequency rank
80856
confusion score

Side-by-Side Comparison

Feature cased coed
Definition simple past and past participle of case Alternative form of co-ed.

Letter map: cased vs coed

Shared letters muted; letters that set cased and coed apart highlighted. Shared run: 3. cased runs 5 letters (CVCVC) against coed's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
cased
4 ch
coed

Role in the sentence - cased and coed

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cased is averb and coedanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 80856, derived from the frequency rank of both members and their visual similarity.

cased is recorded at frequency rank #48,121, classified as averb, pronounced /keɪst/. coed is at rank #32,735, 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 80856, this pair ranks #18,912 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of cased vs coed

Shared letters: cde. Private to "cased": as. Private to "coed": o.

"cased" · 5 letters · shape CVCVC  ·  "coed" · 4 letters · shape CVVC

Known mistypes of this pair

  • cased ← acsed · caesd · casde · casedd · cassed · ccased · csaed
  • coed ← ccoed · ceod

Frequently Asked Questions

Can "cased" and "coed" be used interchangeably?
No - they are not even the same part of speech. "cased" is a verb and "coed" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cased" or "coed"?
"coed" is the more common of the two: it sits at frequency rank #32,735 in our English list, against #48,121 for "cased". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "cased" vs "coed" is on the table, pick a follow-up below.

  • Full dictionary entry for "cased" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "coed" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #18,912 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "cased" and "coed" also get mixed up with nearby pairs, the highest-scored neighbour is "cased vs clasped". 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 #18,912 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