CROvscrossTell them apart

Which to use

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

#33,596
“CRO” frequency rank
#1,073
“cross” frequency rank
34669
confusion score

Side-by-Side Comparison

Feature CRO cross
Definition Initialism of Cathode-Ray Oscilloscope. A geometrical figure consisting of two straight lines or bars intersecting each other such that at least one of them is bisected by the other.

Letter map: CRO vs cross

Shared letters muted; letters that set CRO and cross apart highlighted. Shared run: 3.

3 ch
CRO
5 ch
cross

Spelling & dictionary notes on CRO vs cross

CRO and cross 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 2 extra letter(s) - “CRO” sits inside “cross”. Our composite confusion score for this pair is 34669, derived from the frequency rank of both members and their visual similarity.

CRO is recorded at frequency rank #33,596, classified as anoun. cross is at rank #1,073, tagged as anoun, pronounced /kɹɒs/.

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 34669, this pair ranks #318,781 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of CRO vs cross

Shared letters: cor. Private to "CRO": -. Private to "cross": s.

"CRO" · 3 letters · shape CCV  ·  "cross" · 5 letters · shape CCVCC

Known mistypes of this pair

  • crossccross · corss · cros · crross · crsos · rcoss

Frequently Asked Questions

Is swapping "CRO" for "cross" ever safe?
No. They differ by 2 extra letter(s) - “CRO” sits inside “cross”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "CRO" or "cross"?
"cross" is the more common of the two: it sits at frequency rank #1,073 in our English list, against #33,596 for "CRO". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "CRO" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cross" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #318,781 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "CRO" and "cross" also get mixed up with nearby pairs, the highest-scored neighbour is "CRO vs Croat". 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 #318,781 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