coatvscosWhich spelling fits?

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

Which to use

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

#40,949
“coat” frequency rank
#27,810
“cos” frequency rank
68759
confusion score

Side-by-Side Comparison

Feature coat cos
Definition casaco qualquer coisa

Letter map: coat vs cos

Shared letters muted; letters that set coat and cos apart highlighted. Shared run: 2.

4 ch
coat
3 ch
cos

Part-of-speech tell for coat / cos

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: coat is anoun and cosapronoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 68759, derived from the frequency rank of both members and their visual similarity.

coat is recorded at frequency rank #40,949, classified as anoun, pronounced /koʊt/. cos is at rank #27,810, tagged as apron.

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 68759, this pair ranks #4,176 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of coat vs cos

Shared letters: co. Private to "coat": at. Private to "cos": s.

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

Known mistypes of this pair

  • coatcaot · ccoat · coatt · ocat

Frequently Asked Questions

Do "coat" and "cos" mean the same thing in a sentence?
No - they are not even the same part of speech. "coat" is a noun and "cos" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "coat" vs "cos" - which ranks higher?
"cos" is the more common of the two: it sits at frequency rank #27,810 in our Portuguese list, against #40,949 for "coat". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "coat" and "cos". Here's where to go from here.

  • Full dictionary entry for "coat" 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 #4,176 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "coat" and "cos" also get mixed up with nearby pairs, the highest-scored neighbour is "chau vs coat". 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 #4,176 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list