CoryvscosConfusable pair

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

Which to use

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

#13,892
“Cory” frequency rank
#6,553
“cos” frequency rank
20445
confusion score

Side-by-Side Comparison

Feature Cory cos
Definition An English surname from Old Norse, a variant of Corey. Synonym of romaine lettuce, a long-leaved variety of lettuce.

Where the eye mixes Cory and cos

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
Cory
3 ch
cos

Why the eye confuses Cory with cos

These two trip readers on the page rather than in the ear: Cory is /ˈkɔː.ɹi/ while cos is /kɑs/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 20445, derived from the frequency rank of both members and their visual similarity.

Cory is recorded at frequency rank #13,892, classified as aname, pronounced /ˈkɔː.ɹi/. cos is at rank #6,553, tagged as anoun, pronounced /kɑs/.

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 20445, this pair ranks #431,043 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Cory vs cos

Shared letters: co. Private to "Cory": ry. Private to "cos": s.

"Cory" · 4 letters · shape CVCV  ·  "cos" · 3 letters · shape CVC

Known mistypes of this pair

  • Coryccory · corry · coryy · coyr · croy · ocry

Frequently Asked Questions

Do "Cory" and "cos" mean the same thing in a sentence?
No - they are not even the same part of speech. "Cory" is a name and "cos" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "Cory" or "cos" show up more?
"cos" is the more common of the two: it sits at frequency rank #6,553 in our English list, against #13,892 for "Cory". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Cory" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #431,043 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Cory" and "cos" also get mixed up with nearby pairs, the highest-scored neighbour is "Cory vs cuny". 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 #431,043 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