CosbyvscosyWhich spelling fits?

Quick tell: Cosby is a name, cosy is an adjective, so they fill different roles in a sentence.

Which to use

“Cosby” is a name and “cosy” is an adjective - they look or sound alike but fill different roles in a sentence.

#21,761
“Cosby” frequency rank
#19,301
“cosy” frequency rank
41062
confusion score

Side-by-Side Comparison

Feature Cosby cosy
Definition A village and civil parish in Blaby district, Leicestershire, England (OS grid ref SP5495). Affording comfort and warmth; snug; social and comfortable.

Letter map: Cosby vs cosy

Shared letters muted; letters that set Cosby and cosy apart highlighted. Shared run: 4. Cosby runs 5 letters (CVCCV) against cosy's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
Cosby
4 ch
cosy

Grammar separator: Cosby vs cosy

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Cosby is aname and cosyanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 41062, derived from the frequency rank of both members and their visual similarity.

Cosby is recorded at frequency rank #21,761, classified as aname. cosy is at rank #19,301, tagged as anadj, pronounced /ˈkəʊzi/.

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 41062, this pair ranks #261,843 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Cosby vs cosy

Shared letters: cosy. Private to "Cosby": b. Private to "cosy": -.

"Cosby" · 5 letters · shape CVCCV  ·  "cosy" · 4 letters · shape CVCV

Known mistypes of this pair

  • Cosby ← ccosby · cobsy · cosbby · cosbyy · cossby · cosyb · csoby · ocsby
  • cosy ← ccosy · cossy · cosyy · coys · csoy · ocsy

Frequently Asked Questions

Do "Cosby" and "cosy" mean the same thing in a sentence?
No - they are not even the same part of speech. "Cosby" is a name and "cosy" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Cosby" or "cosy"?
"cosy" is the more common of the two: it sits at frequency rank #19,301 in our English list, against #21,761 for "Cosby". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "Cosby" and "cosy".

  • Full dictionary entry for "Cosby" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cosy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #261,843 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Cosby" and "cosy" also get mixed up with nearby pairs, the highest-scored neighbour is "Cosby vs cubby". 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 #261,843 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