Which to use
“cob” is a noun and “Cosby” is a name - they look or sound alike but fill different roles in a sentence.
- #27,404
- “cob” frequency rank
- #21,761
- “Cosby” frequency rank
- 49165
- confusion score
Side-by-Side Comparison
| Feature | cob | Cosby |
|---|---|---|
| Definition | A corncob. | A village and civil parish in Blaby district, Leicestershire, England (OS grid ref SP5495). |
Letter map: cob vs Cosby
Shared letters muted; letters that set cob and Cosby apart highlighted. Shared run: 3. cob runs 3 letters (CVC) against Cosby's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.
Grammar separator: cob vs Cosby
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cob is anoun and Cosbyaname. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 49165, derived from the frequency rank of both members and their visual similarity.
cob is recorded at frequency rank #27,404, classified as anoun, pronounced /kɑb/. Cosby is at rank #21,761, tagged as aname.
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 49165, this pair ranks #186,201 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of cob vs Cosby
Shared letters: bco. Private to "cob": -. Private to "Cosby": sy.
"cob" · 3 letters · shape CVC · "Cosby" · 5 letters · shape CVCCV
Known mistypes of this pair
- Cosby ← ccosby · cobsy · cosbby · cosbyy · cossby · cosyb · csoby · ocsby
Frequently Asked Questions
Is swapping "cob" for "Cosby" ever safe?
Frequency check: "cob" vs "Cosby" - which ranks higher?
Useful next steps
Done with this confusable. These links stay specific to "cob" and "Cosby".
- Full dictionary entry for "cob" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Cosby" - compare definitions side by side with the headword page. Word entry
- This pair ranks #186,201 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "cob" and "Cosby" also get mixed up with nearby pairs, the highest-scored neighbour is "CGT vs cob". 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 #186,201 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.