CMVvscoConfusable pair

Which to use

“CMV” and “co” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#46,987
“CMV” frequency rank
#617
“co” frequency rank
47604
confusion score

Side-by-Side Comparison

Feature CMV co
Definition Initialism of cytomegalovirus. Clipping of company.

Letter map: CMV vs co

Shared letters muted; letters that set CMV and co apart highlighted. Shared run: 1.

3 ch
CMV
2 ch
co

Pair insight - CMV / co

CMV and co are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 47604, derived from the frequency rank of both members and their visual similarity.

CMV is recorded at frequency rank #46,987, classified as anoun. co is at rank #617, tagged as anoun, pronounced /kəʊ/.

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 47604, this pair ranks #200,867 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of CMV vs co

Shared letters: c. Private to "CMV": mv. Private to "co": o.

"CMV" · 3 letters · shape CCC  ·  "co" · 2 letters · shape CV

Frequently Asked Questions

Do "CMV" and "co" mean the same thing in a sentence?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "CMV" vs "co" - which ranks higher?
"co" is the more common of the two: it sits at frequency rank #617 in our English list, against #46,987 for "CMV". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "CMV" and "co". Here's where to go from here.

  • Full dictionary entry for "CMV" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "co" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #200,867 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "CMV" and "co" also get mixed up with nearby pairs, the highest-scored neighbour is "CGT vs CMV". Nearby pair

Confusion rank #200,867 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