caívscalWhich spelling fits?

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

Which to use

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

#11,538
“caí” frequency rank
#7,675
“cal” frequency rank
19213
confusion score

Side-by-Side Comparison

Feature caí cal
Definition Primera persona del singular (yo) del pretérito perfecto simple de indicativo de caer o de caerse. Óxido de calcio; sustancia blanca, ligera, cáustica y alcalina, que en estado natural se halla siempre combinada con alguna otra.

Where the eye mixes caí and cal

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
caí
3 ch
cal

Look-alike desk: caí vs cal

These two trip readers on the page rather than in the ear: caí is [kaˈi] while cal is [ˈkal]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - í in “caí” becomes l in “cal”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 19213, derived from the frequency rank of both members and their visual similarity.

caí is recorded at frequency rank #11,538, classified as averb, pronounced [kaˈi]. cal is at rank #7,675, tagged as anoun, pronounced [ˈkal].

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 19213, this pair ranks #264,702 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of caí vs cal

Shared letters: ac. Private to "caí": í. Private to "cal": l.

"caí" · 3 letters · shape CVV  ·  "cal" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "caí" for "cal" ever safe?
No - they are not even the same part of speech. "caí" is a verb and "cal" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "caí" or "cal"?
"cal" is the more common of the two: it sits at frequency rank #7,675 in our Spanish list, against #11,538 for "caí". 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 "caí" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cal" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #264,702 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "caí" and "cal" also get mixed up with nearby pairs, the highest-scored neighbour is "caí vs cuc". Nearby pair

Confusion rank #264,702 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