cepavscosaWhat's the difference?

Which to use

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

#19,055
“cepa” frequency rank
#234
“cosa” frequency rank
19289
confusion score

Side-by-Side Comparison

Feature cepa cosa
Definition Parte más gruesa del tronco, o tallo, adherida a las raíces y que queda bajo tierra. 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 cepa and cosa

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. cepa and cosa follow the identical consonant-vowel pattern (CVCV). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
cepa
4 ch
cosa

Why the eye confuses cepa with cosa

A purely visual mix-up. cepa ([ˈsepa]) 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 19289, derived from the frequency rank of both members and their visual similarity.

cepa is recorded at frequency rank #19,055, classified as anoun, pronounced [ˈsepa]. 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 19289, this pair ranks #264,389 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cepa vs cosa

Shared letters: ac. Private to "cepa": ep. Private to "cosa": os.

"cepa" · 4 letters · shape CVCV  ·  "cosa" · 4 letters · shape CVCV

Known mistypes of this pair

  • cepaccepa · ceap · ceppa · cpea · ecpa
  • cosaccosa · coas · csoa · ocsa

Frequently Asked Questions

Do "cepa" and "cosa" mean the same thing in a sentence?
No. They are said differently ([ˈsepa] versus [ˈkosa]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "cepa" or "cosa" show up more?
"cosa" is the more common of the two: it sits at frequency rank #234 in our Spanish list, against #19,055 for "cepa". 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 "cepa" 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 #264,389 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "cepa" and "cosa" also get mixed up with nearby pairs, the highest-scored neighbour is "ceba vs cepa". 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 #264,389 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