Which to use
“causes” and “courses” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #2,333
- “causes” frequency rank
- #3,223
- “courses” frequency rank
- 5556
- confusion score
Side-by-Side Comparison
| Feature | causes | courses |
|---|---|---|
| Definition | plural of cause | plural of course |
Where the eye mixes causes and courses
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Visual trap between causes and courses
A purely visual mix-up. causes (/ˈkɔːzɪz/) and courses (/ˈkɔːsɪz/) 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 5556, derived from the frequency rank of both members and their visual similarity.
causes is recorded at frequency rank #2,333, classified as anoun, pronounced /ˈkɔːzɪz/. courses is at rank #3,223, tagged as anoun, pronounced /ˈkɔːsɪz/.
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 5556, this pair ranks #514,880 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of causes vs courses
Shared letters: cesu. Private to "causes": a. Private to "courses": or.
"causes" · 6 letters · shape CVVCVC · "courses" · 7 letters · shape CVVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "causes" and "courses" mean the same thing in a sentence?
Which is more common, "causes" or "courses"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "causes" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "courses" - compare definitions side by side with the headword page. Word entry
- This pair ranks #514,880 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "causes" and "courses" also get mixed up with nearby pairs, the highest-scored neighbour is "cours vs courses". 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 #514,880 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.