Which to use
“cmon” is a contraction and “CMS” is a name - they look or sound alike but fill different roles in a sentence.
- #27,403
- “cmon” frequency rank
- #18,042
- “CMS” frequency rank
- 45445
- confusion score
Side-by-Side Comparison
| Feature | cmon | CMS |
|---|---|---|
| Definition | Alternative spelling of c'mon. | Initialism of Chicago Manual of Style. |
Letter map: cmon vs CMS
Shared letters muted; letters that set cmon and CMS apart highlighted. Shared run: 2.
Grammar separator: cmon vs CMS
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cmon is acontraction and CMSaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 45445, derived from the frequency rank of both members and their visual similarity.
cmon is recorded at frequency rank #27,403, classified as acontraction. CMS is at rank #18,042, tagged as aname.
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 45445, this pair ranks #221,212 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of cmon vs CMS
Shared letters: cm. Private to "cmon": no. Private to "CMS": s.
"cmon" · 4 letters · shape CCVC · "CMS" · 3 letters · shape CCC
Known mistypes of this pair
- cmon ← ccmon · cmmon · cmno · cmonn · comn · mcon
Frequently Asked Questions
Do "cmon" and "CMS" mean the same thing in a sentence?
Which is more common, "cmon" or "CMS"?
What to do next
You've compared "cmon" and "CMS". Here's where to go from here.
- Full dictionary entry for "cmon" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "CMS" - compare definitions side by side with the headword page. Word entry
- This pair ranks #221,212 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "cmon" and "CMS" also get mixed up with nearby pairs, the highest-scored neighbour is "Clo vs cmon". 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 #221,212 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.