causavscosaConfusable pair

Which to use

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

#653
“causa” frequency rank
#234
“cosa” frequency rank
887
confusion score

Side-by-Side Comparison

Feature causa cosa
Definition Origen de un evento o acción Nombre con el que se puede designar un objeto real o imaginario, una abstracción o un concepto sin tener que definirlo o nombrarlo.

Where the eye mixes causa and cosa

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

5 ch
causa
4 ch
cosa

Visual trap between causa and cosa

A purely visual mix-up. causa ([ˈkawsa]) and cosa ([ˈkosa]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 887, derived from the frequency rank of both members and their visual similarity.

causa is recorded at frequency rank #653, classified as anoun, pronounced [ˈkawsa]. cosa is at rank #234, tagged as anoun, pronounced [ˈkosa].

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 887, this pair ranks #322,834 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of causa vs cosa

Shared letters: acs. Private to "causa": u. Private to "cosa": o.

"causa" · 5 letters · shape CVVCV  ·  "cosa" · 4 letters · shape CVCV

Known mistypes of this pair

  • causacasua · cauas · caussa · ccausa · cuasa
  • cosaccosa · coas · csoa · ocsa

Frequently Asked Questions

Is swapping "causa" for "cosa" ever safe?
No. They are said differently ([ˈkawsa] versus [ˈkosa]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "causa" or "cosa"?
"cosa" is the more common of the two: it sits at frequency rank #234 in our Spanish list, against #653 for "causa". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "causa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cosa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #322,834 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "causa" and "cosa" also get mixed up with nearby pairs, the highest-scored neighbour is "coin vs cosa". 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 #322,834 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