comesvscosWhat's the difference?

Quick tell: comes is a verb, cos is a noun, so they fill different roles in a sentence.

Which to use

“comes” is a verb and “cos” is a noun - they look or sound alike but fill different roles in a sentence.

#432
“comes” frequency rank
#6,553
“cos” frequency rank
6985
confusion score

Side-by-Side Comparison

Feature comes cos
Definition third-person singular simple present indicative of come Synonym of romaine lettuce, a long-leaved variety of lettuce.

Where the eye mixes comes and cos

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
comes
3 ch
cos

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: comes is /kʌmz/ while cos is /kɑs/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 6985, derived from the frequency rank of both members and their visual similarity.

comes is recorded at frequency rank #432, classified as averb, pronounced /kʌmz/. cos is at rank #6,553, tagged as anoun, pronounced /kɑs/.

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 6985, this pair ranks #509,093 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of comes vs cos

Shared letters: cos. Private to "comes": em. Private to "cos": -.

"comes" · 5 letters · shape CVCVC  ·  "cos" · 3 letters · shape CVC

Known mistypes of this pair

  • comesccomes · cmoes · coems · comess · commes · comse · ocmes

Frequently Asked Questions

Can "comes" and "cos" be used interchangeably?
No - they are not even the same part of speech. "comes" is a verb and "cos" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "comes" or "cos"?
"comes" is the more common of the two: it sits at frequency rank #432 in our English list, against #6,553 for "cos". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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

Source: FrequencyWords open word-frequency list