Which to use
“core” and “course” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #9,649
- “core” frequency rank
- #20,839
- “course” frequency rank
- 30488
- confusion score
Side-by-Side Comparison
| Feature | core | course |
|---|---|---|
| Definition | núcleo de processamento | curso |
Where the eye mixes core and course
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses core with course
A purely visual mix-up. core (ˈkɔ.ɾɪ/) and course (/koəɹs/, /kɔːɹs/) 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 2 letter(s) in length. Our composite confusion score for this pair is 30488, derived from the frequency rank of both members and their visual similarity.
core is recorded at frequency rank #9,649, classified as anoun, pronounced ˈkɔ.ɾɪ/. course is at rank #20,839, tagged as anoun, pronounced /koəɹs/, /kɔːɹs/.
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 30488, this pair ranks #37,849 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of core vs course
Shared letters: ceor. Private to "core": -. Private to "course": su.
"core" · 4 letters · shape CVCV · "course" · 6 letters · shape CVVCCV
Known mistypes of this pair
Frequently Asked Questions
Can "core" and "course" be used interchangeably?
Frequency check: "core" vs "course" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "core" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "course" - compare definitions side by side with the headword page. Word entry
- This pair ranks #37,849 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "core" and "course" also get mixed up with nearby pairs, the highest-scored neighbour is "courage vs course". 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 #37,849 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.