traseravstraseroTell them apart

Which to use

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

#7,368
“trasera” frequency rank
#6,470
“trasero” frequency rank
13838
confusion score

Side-by-Side Comparison

Feature trasera trasero
Definition Forma del femenino de trasero. Situado en la parte de atrás de algo

Where the eye mixes trasera and trasero

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. trasera and trasero follow the identical consonant-vowel pattern (CCVCVCV). Same shape at a glance is often the real trap, independent of shared letters.

7 ch
trasera
7 ch
trasero

Why the eye confuses trasera with trasero

A purely visual mix-up. trasera ([t̪ɾaˈseɾa]) and trasero ([t̪ɾaˈseɾo]) 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 a single letter - a in “trasera” becomes o in “trasero”. Our composite confusion score for this pair is 13838, derived from the frequency rank of both members and their visual similarity.

trasera is recorded at frequency rank #7,368, classified as anadj, pronounced [t̪ɾaˈseɾa]. trasero is at rank #6,470, tagged as anadj, pronounced [t̪ɾaˈseɾo].

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 13838, this pair ranks #286,361 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of trasera vs trasero

Shared letters: aerst. Private to "trasera": -. Private to "trasero": o.

"trasera" · 7 letters · shape CCVCVCV  ·  "trasero" · 7 letters · shape CCVCVCV

Known mistypes of this pair

  • trasera ← rtasera · tarsera · tracera · traesra · trasear · traserra · trasrea · trassera
  • trasero ← rtasero · tarsero · tracero · traesro · traseor · traserro · trasreo · trassero

Frequently Asked Questions

Can "trasera" and "trasero" be used interchangeably?
No. They are said differently ([t̪ɾaˈseɾa] versus [t̪ɾaˈseɾo]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "trasera" or "trasero"?
"trasero" is the more common of the two: it sits at frequency rank #6,470 in our Spanish list, against #7,368 for "trasera". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "trasera" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "trasero" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #286,361 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "trasera" and "trasero" also get mixed up with nearby pairs, the highest-scored neighbour is "trajera vs trasera". 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 #286,361 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