caíanvscapitánWhich spelling fits?

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

Which to use

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

#22,295
“caían” frequency rank
#1,540
“capitán” frequency rank
23835
confusion score

Side-by-Side Comparison

Feature caían capitán
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito imperfecto de indicativo de caer o de caerse. Persona que dirige una tropa militar

Where the eye mixes caían and capitán

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. caían runs 5 letters (CVVVC) against capitán's 7 (CVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
caían
7 ch
capitán

Why the eye confuses caían with capitán

These two trip readers on the page rather than in the ear: caían is [kaˈiãn] while capitán is [kapiˈt̪ãn]. 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 23835, derived from the frequency rank of both members and their visual similarity.

caían is recorded at frequency rank #22,295, classified as averb, pronounced [kaˈiãn]. capitán is at rank #1,540, tagged as anoun, pronounced [kapiˈt̪ãn].

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 23835, this pair ranks #243,946 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of caían vs capitán

Shared letters: acn. Private to "caían": í. Private to "capitán": iptá.

"caían" · 5 letters · shape CVVVC  ·  "capitán" · 7 letters · shape CVCVCVC

Frequently Asked Questions

Is swapping "caían" for "capitán" ever safe?
No - they are not even the same part of speech. "caían" is a verb and "capitán" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "caían" or "capitán" show up more?
"capitán" is the more common of the two: it sits at frequency rank #1,540 in our Spanish list, against #22,295 for "caían". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "caían" and "capitán" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "caían" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "capitán" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #243,946 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "caían" and "capitán" also get mixed up with nearby pairs, the highest-scored neighbour is "caían vs coin". Nearby pair

Confusion rank #243,946 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