ClovsCROWhat's the difference?

Which to use

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

#48,144
“Clo” frequency rank
#33,596
“CRO” frequency rank
81740
confusion score

Side-by-Side Comparison

Feature Clo CRO
Definition Abbreviation of close (in street addresses). Initialism of Cathode-Ray Oscilloscope.

Letter map: Clo vs CRO

Shared letters muted; letters that set Clo and CRO apart highlighted. Shared run: 2. Clo and CRO follow the identical consonant-vowel pattern (CCV). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
Clo
3 ch
CRO

Corpus notes: Clo and CRO

Clo and CRO 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 a single letter - l in “Clo” becomes r in “CRO”. Our composite confusion score for this pair is 81740, derived from the frequency rank of both members and their visual similarity.

Clo is recorded at frequency rank #48,144, classified as anoun. CRO is at rank #33,596, 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 81740, this pair ranks #17,085 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Clo vs CRO

Shared letters: co. Private to "Clo": l. Private to "CRO": r.

"Clo" · 3 letters · shape CCV  ·  "CRO" · 3 letters · shape CCV

Frequently Asked Questions

Do "Clo" and "CRO" mean the same thing in a sentence?
No. They differ by a single letter - l in “Clo” becomes r in “CRO”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "Clo" or "CRO"?
"CRO" is the more common of the two: it sits at frequency rank #33,596 in our English list, against #48,144 for "Clo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "Clo" and "CRO". Here's where to go from here.

  • Full dictionary entry for "Clo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "CRO" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #17,085 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Clo" and "CRO" also get mixed up with nearby pairs, the highest-scored neighbour is "CGT vs Clo". Nearby pair

Confusion rank #17,085 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