cour vs CSR, What's the Difference?

Which to use

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

#41,064
“cour” frequency rank: #22,634
“CSR” frequency rank: 63698
confusion score

Side-by-Side Comparison

Feature	cour	CSR
Definition	A three-month unit of television broadcasting, corresponding to one of the four seasons.	Initialism of corporate social responsibility.

Letter map: cour vs CSR

Shared letters muted; letters that set cour and CSR apart highlighted. Shared run: 2.

4 ch

cour

3 ch

CSR

Pair insight - cour / CSR

cour and CSR are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 63698, derived from the frequency rank of both members and their visual similarity.

cour is recorded at frequency rank #41,064, classified as anoun, pronounced /ˈkʊə(ɹ)/. CSR is at rank #22,634, 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 63698, this pair ranks #81,531 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of cour vs CSR

Shared letters: cr. Private to "cour": ou. Private to "CSR": s.

"cour" · 4 letters · shape CVVC · "CSR" · 3 letters · shape CCC

Known mistypes of this pair

cour ← ccour · coru · courr · cuor

Frequently Asked Questions

Is swapping "cour" for "CSR" ever safe?

No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

Frequency check: "cour" vs "CSR" - which ranks higher?

"CSR" is the more common of the two: it sits at frequency rank #22,634 in our English list, against #41,064 for "cour". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "cour" and "CSR". Here's where to go from here.

Full dictionary entry for "cour" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "CSR" - compare definitions side by side with the headword page. Word entry
This pair ranks #81,531 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"cour" and "CSR" also get mixed up with nearby pairs, the highest-scored neighbour is "cour vs cower". 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 #81,531 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.