cansvscasWhat's the difference?

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

Which to use

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

#9,578
“cans” frequency rank
#14,713
“cas” frequency rank
24291
confusion score

Side-by-Side Comparison

Feature cans cas
Definition plural of can Abbreviation of casual.

Letter map: cans vs cas

Shared letters muted; letters that set cans and cas apart highlighted. Shared run: 3.

4 ch
cans
3 ch
cas

Role in the sentence - cans and cas

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cans is anoun and casanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 24291, derived from the frequency rank of both members and their visual similarity.

cans is recorded at frequency rank #9,578, classified as anoun. cas is at rank #14,713, tagged as anadj, pronounced /kæʒ/.

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 24291, this pair ranks #403,052 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cans vs cas

Shared letters: acs. Private to "cans": n. Private to "cas": -.

"cans" · 4 letters · shape CVCC  ·  "cas" · 3 letters · shape CVC

Known mistypes of this pair

  • cansacns · canns · canss · casn · ccans · cnas

Frequently Asked Questions

Is swapping "cans" for "cas" ever safe?
No - they are not even the same part of speech. "cans" is a noun and "cas" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cans" or "cas"?
"cans" is the more common of the two: it sits at frequency rank #9,578 in our English list, against #14,713 for "cas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "cans" vs "cas" is on the table, pick a follow-up below.

  • Full dictionary entry for "cans" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #403,052 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "cans" and "cas" also get mixed up with nearby pairs, the highest-scored neighbour is "cas vs CGT". 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 #403,052 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