curovscursosConfusable pair

Quick tell: curo is a verb, cursos is a noun, so they fill different roles in a sentence.

Which to use

“curo” is a verb and “cursos” is a noun - they look or sound alike but fill different roles in a sentence.

#47,690
“curo” frequency rank
#2,875
“cursos” frequency rank
50565
confusion score

Side-by-Side Comparison

Feature curo cursos
Definition Primera persona del singular (yo) del presente de indicativo de curar o de curarse. Forma del plural de curso.

Where the eye mixes curo and cursos

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. curo runs 4 letters (CVCV) against cursos's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
curo
6 ch
cursos

Visual trap between curo and cursos

These two trip readers on the page rather than in the ear: curo is [ˈkuɾo] while cursos is [ˈkuɾsos]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 50565, derived from the frequency rank of both members and their visual similarity.

curo is recorded at frequency rank #47,690, classified as averb, pronounced [ˈkuɾo]. cursos is at rank #2,875, tagged as anoun, pronounced [ˈkuɾsos].

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 50565, this pair ranks #102,525 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of curo vs cursos

Shared letters: coru. Private to "curo": -. Private to "cursos": s.

"curo" · 4 letters · shape CVCV  ·  "cursos" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • curo ← ccuro · cruo · cuor · ucro
  • cursos ← ccursos · crusos · cuross · currsos · cursoss · curssos · cusros · ucrsos

Frequently Asked Questions

Can "curo" and "cursos" be used interchangeably?
No - they are not even the same part of speech. "curo" is a verb and "cursos" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "curo" vs "cursos" - which ranks higher?
"cursos" is the more common of the two: it sits at frequency rank #2,875 in our Spanish list, against #47,690 for "curo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "curo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cursos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #102,525 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "curo" and "cursos" also get mixed up with nearby pairs, the highest-scored neighbour is "cuc vs curo". 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 #102,525 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list