CCSvsClosTell them apart

Quick tell: CCS is a noun, Clos is a name, so they fill different roles in a sentence.

Which to use

“CCS” is a noun and “Clos” is a name - they look or sound alike but fill different roles in a sentence.

#28,483
“CCS” frequency rank
#44,123
“Clos” frequency rank
72606
confusion score

Side-by-Side Comparison

Feature CCS Clos
Definition Initialism of casualty clearing station. A surname.

Letter map: CCS vs Clos

Shared letters muted; letters that set CCS and Clos apart highlighted. Shared run: 2.

3 ch
CCS
4 ch
Clos

Grammar separator: CCS vs Clos

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: CCS is anoun and Closaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 72606, derived from the frequency rank of both members and their visual similarity.

CCS is recorded at frequency rank #28,483, classified as anoun. Clos is at rank #44,123, 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 72606, this pair ranks #42,486 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of CCS vs Clos

Shared letters: cs. Private to "CCS": -. Private to "Clos": lo.

"CCS" · 3 letters · shape CCC  ·  "Clos" · 4 letters · shape CCVC

Known mistypes of this pair

  • Closcclos · cllos · closs · clso · lcos

Frequently Asked Questions

Is swapping "CCS" for "Clos" ever safe?
No - they are not even the same part of speech. "CCS" is a noun and "Clos" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "CCS" vs "Clos" - which ranks higher?
"CCS" is the more common of the two: it sits at frequency rank #28,483 in our English list, against #44,123 for "Clos". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "CCS" vs "Clos" is on the table, pick a follow-up below.

  • Full dictionary entry for "CCS" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Clos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #42,486 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "CCS" and "Clos" also get mixed up with nearby pairs, the highest-scored neighbour is "Clos vs coms". 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 #42,486 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