cajasvscosasTell them apart

Which to use

“cajas” and “cosas” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#3,677
“cajas” frequency rank
#107
“cosas” frequency rank
3784
confusion score

Side-by-Side Comparison

Feature cajas cosas
Definition Forma del plural de caja. Forma del plural de cosa.

Where the eye mixes cajas and cosas

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. cajas and cosas follow the identical consonant-vowel pattern (CVCVC). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
cajas
5 ch
cosas

Look-alike desk: cajas vs cosas

A purely visual mix-up. cajas ([ˈkaxas]) and cosas ([ˈkosas]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 3784, derived from the frequency rank of both members and their visual similarity.

cajas is recorded at frequency rank #3,677, classified as anoun, pronounced [ˈkaxas]. cosas is at rank #107, tagged as anoun, pronounced [ˈkosas].

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 3784, this pair ranks #317,561 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cajas vs cosas

Shared letters: acs. Private to "cajas": j. Private to "cosas": o.

"cajas" · 5 letters · shape CVCVC  ·  "cosas" · 5 letters · shape CVCVC

Known mistypes of this pair

  • cajas ← acjas · caajs · cajass · cajjas · cajsa · ccajas · cjaas
  • cosas ← ccosas · coass · cosass · cossa · cossas · csoas · ocsas

Frequently Asked Questions

Can "cajas" and "cosas" be used interchangeably?
No. They are said differently ([ˈkaxas] versus [ˈkosas]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "cajas" or "cosas"?
"cosas" is the more common of the two: it sits at frequency rank #107 in our Spanish list, against #3,677 for "cajas". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "cajas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cosas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #317,561 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "cajas" and "cosas" also get mixed up with nearby pairs, the highest-scored neighbour is "cachas vs cajas". 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 #317,561 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