coatvscobWhat's the difference?

Which to use

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

#3,867
“coat” frequency rank
#27,404
“cob” frequency rank
31271
confusion score

Side-by-Side Comparison

Feature coat cob
Definition An outer garment covering the upper torso and arms. A corncob.

Where the eye mixes coat and cob

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

4 ch
coat
3 ch
cob

Why the eye confuses coat with cob

A purely visual mix-up. coat (/ˈkoʊ̯t/) and cob (/kɑb/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 31271, derived from the frequency rank of both members and their visual similarity.

coat is recorded at frequency rank #3,867, classified as anoun, pronounced /ˈkoʊ̯t/. 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 31271, this pair ranks #347,536 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of coat vs cob

Shared letters: co. Private to "coat": at. Private to "cob": b.

"coat" · 4 letters · shape CVVC  ·  "cob" · 3 letters · shape CVC

Known mistypes of this pair

  • coatcaot · ccoat · coatt · cota · ocat

Frequently Asked Questions

Is swapping "coat" for "cob" ever safe?
No. They are said differently (/ˈkoʊ̯t/ versus /kɑb/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "coat" or "cob"?
"coat" is the more common of the two: it sits at frequency rank #3,867 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.

What to do next

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

  • Full dictionary entry for "coat" 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 #347,536 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "coat" 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 #347,536 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