casvscomsWhat's the difference?

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

Which to use

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

#14,713
“cas” frequency rank
#48,668
“coms” frequency rank
63381
confusion score

Side-by-Side Comparison

Feature cas coms
Definition Abbreviation of casual. Combinations (underwear).

Where the spellings diverge

Shared letters are muted; the letters that actually set cas and coms apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

3 ch
cas
4 ch
coms

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cas is anadjective and comsanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 63381, derived from the frequency rank of both members and their visual similarity.

cas is recorded at frequency rank #14,713, classified as anadj, pronounced /kæʒ/. coms is at rank #48,668, tagged as anoun.

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 63381, this pair ranks #83,312 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of cas vs coms

Shared letters: cs. Private to "cas": a. Private to "coms": mo.

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

Known mistypes of this pair

  • comsccoms · comms · comss · cosm · ocms

Frequency comparison

cas#14,713
coms#48,668

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "cas" and "coms" be used interchangeably?
No - they are not even the same part of speech. "cas" is an adjective and "coms" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cas" or "coms"?
"cas" is the more common of the two: it sits at frequency rank #14,713 in our English list, against #48,668 for "coms". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering cas vs coms

The fastest way to pick the right one every time.

  • Check the role first: if you need an adjective, it's “cas”; for a noun, it's “coms”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “cas” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list