cabezavscaseraTell them apart

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

Which to use

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

#375
“cabeza” frequency rank
#13,405
“casera” frequency rank
13780
confusion score

Side-by-Side Comparison

Feature cabeza casera
Definition Parte superior del cuerpo del ser humano y de algunos animales, que contiene el cerebro, la boca, los ojos, y otros órganos sensoriales. Forma del femenino singular de casero.

Where the eye mixes cabeza and casera

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
cabeza
6 ch
casera

Look-alike desk: cabeza vs casera

These two trip readers on the page rather than in the ear: cabeza is [kaˈβ̞esa] while casera is [kaˈseɾa]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 13780, derived from the frequency rank of both members and their visual similarity.

cabeza is recorded at frequency rank #375, classified as anoun, pronounced [kaˈβ̞esa]. casera is at rank #13,405, tagged as anadj, pronounced [kaˈseɾa].

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 13780, this pair ranks #286,580 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cabeza vs casera

Shared letters: ace. Private to "cabeza": bz. Private to "casera": rs.

"cabeza" · 6 letters · shape CVCVCV  ·  "casera" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • cabezaacbeza · cabbeza · cabeaz · cabezza · cabzea · caebza · caveza · cbaeza
  • caseraacsera · cacera · caesra · casear · caserra · casrea · cassera · ccasera

Frequently Asked Questions

Can "cabeza" and "casera" be used interchangeably?
No - they are not even the same part of speech. "cabeza" is a noun and "casera" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cabeza" or "casera"?
"cabeza" is the more common of the two: it sits at frequency rank #375 in our Spanish list, against #13,405 for "casera". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "cabeza" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "casera" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #286,580 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "cabeza" and "casera" also get mixed up with nearby pairs, the highest-scored neighbour is "casera vs cederá". 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 #286,580 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