coarsevscoursWhich spelling fits?

Quick tell: coarse is a adjective, cours is a noun, so they fill different roles in a sentence.

Which to use

“coarse” is an adjective and “cours” is a noun - they look or sound alike but fill different roles in a sentence.

#16,865
“coarse” frequency rank
#47,550
“cours” frequency rank
64415
confusion score

Side-by-Side Comparison

Feature coarse cours
Definition With a rough texture; not smooth. three-month unit of television broadcasting corresponding to a natural season.

Letter map: coarse vs cours

Shared letters muted; letters that set coarse and cours apart highlighted. Shared run: 4.

6 ch
coarse
5 ch
cours

Grammar separator: coarse vs cours

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: coarse is anadjective and coursanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 64415, derived from the frequency rank of both members and their visual similarity.

coarse is recorded at frequency rank #16,865, classified as anadj, pronounced /kɔːs/. cours is at rank #47,550, tagged as anoun.

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 64415, this pair ranks #77,832 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of coarse vs cours

Shared letters: cors. Private to "coarse": ae. Private to "cours": u.

"coarse" · 6 letters · shape CVVCCV  ·  "cours" · 5 letters · shape CVVCC

Known mistypes of this pair

  • coarsecaorse · ccoarse · coares · coarrse · coarsse · coasre · corase · ocarse
  • coursccours · corus · courrs · courss · cousr · cuors

Frequently Asked Questions

Can "coarse" and "cours" be used interchangeably?
No - they are not even the same part of speech. "coarse" is an adjective and "cours" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "coarse" or "cours" show up more?
"coarse" is the more common of the two: it sits at frequency rank #16,865 in our English list, against #47,550 for "cours". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "coarse" vs "cours" is on the table, pick a follow-up below.

  • Full dictionary entry for "coarse" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cours" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #77,832 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "coarse" and "cours" also get mixed up with nearby pairs, the highest-scored neighbour is "cours vs Coutts". 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 #77,832 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