carbvscobWhat's the difference?

Which to use

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

#18,780
“carb” frequency rank
#27,404
“cob” frequency rank
46184
confusion score

Side-by-Side Comparison

Feature carb cob
Definition Clipping of carbohydrate A corncob.

Same sound, different letters: carb vs cob

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 2 letters.

4 ch
carb
3 ch
cob

Homophone desk: carb vs cob

This is the hard kind. carb and cob are pronounced identically (/kɑːb/) and both work as anoun. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by 1 letter(s) in length. Our composite confusion score for this pair is 46184, derived from the frequency rank of both members and their visual similarity.

carb is recorded at frequency rank #18,780, classified as anoun, pronounced /kɑːb/. cob is at rank #27,404, tagged as anoun, pronounced /kɑb/.

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 46184, this pair ranks #214,150 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of carb vs cob

Shared letters: bc. Private to "carb": ar. Private to "cob": o.

"carb" · 4 letters · shape CVCC  ·  "cob" · 3 letters · shape CVC

Known mistypes of this pair

  • carbacrb · cabr · carbb · carrb · ccarb

Frequently Asked Questions

Can "carb" and "cob" be used interchangeably?
No. They are pronounced the same (/kɑːb/), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.
Which is more common, "carb" or "cob"?
"carb" is the more common of the two: it sits at frequency rank #18,780 in our English list, against #27,404 for "cob". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've separated the homophone pair "carb" / "cob". Follow the links when you need the full entry or a neighbour that trips the same ear.

  • Full dictionary entry for "carb" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cob" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #214,150 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "carb" and "cob" 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 #214,150 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