cañovscastoWhat's the difference?

Quick tell: caño is a noun, casto is an adjective, so they fill different roles in a sentence.

Which to use

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

#12,544
“caño” frequency rank
#44,616
“casto” frequency rank
57160
confusion score

Side-by-Side Comparison

Feature caño casto
Definition Tubo de metal, vidrio o barro, a modo de cañuto. Persona que se abstiene de todo goce sexual o lo vive de acuerdo a ciertas directrices dictadas por su religión o su moral.

Where the eye mixes caño and casto

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
caño
5 ch
casto

Why the eye confuses caño with casto

These two trip readers on the page rather than in the ear: caño is [ˈkaɲo] while casto is [ˈkast̪o]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 57160, derived from the frequency rank of both members and their visual similarity.

caño is recorded at frequency rank #12,544, classified as anoun, pronounced [ˈkaɲo]. casto is at rank #44,616, tagged as anadj, pronounced [ˈkast̪o].

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 57160, this pair ranks #71,592 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of caño vs casto

Shared letters: aco. Private to "caño": ñ. Private to "casto": st.

"caño" · 4 letters · shape CVCV  ·  "casto" · 5 letters · shape CVCCV

Known mistypes of this pair

  • castoacsto · casot · cassto · castto · catso · ccasto · csato

Frequently Asked Questions

Is swapping "caño" for "casto" ever safe?
No - they are not even the same part of speech. "caño" is a noun and "casto" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "caño" or "casto"?
"caño" is the more common of the two: it sits at frequency rank #12,544 in our Spanish list, against #44,616 for "casto". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "caño" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "casto" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #71,592 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "caño" and "casto" also get mixed up with nearby pairs, the highest-scored neighbour is "casto vs Chasco". 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 #71,592 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