trásvstrashWhich spelling fits?

Quick tell: trás is a adverb, trash is a noun, so they fill different roles in a sentence.

Which to use

“trás” is an adverb and “trash” is a noun - they look or sound alike but fill different roles in a sentence.

#860
“trás” frequency rank
#25,504
“trash” frequency rank
26364
confusion score

Side-by-Side Comparison

Feature trás trash
Definition depois de lixo

Letter map: trás vs trash

Shared letters muted; letters that set trás and trash apart highlighted. Shared run: 3.

4 ch
trás
5 ch
trash

Grammar separator: trás vs trash

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: trás is anadverb and trashanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 26364, derived from the frequency rank of both members and their visual similarity.

trás is recorded at frequency rank #860, classified as anadv. trash is at rank #25,504, tagged as anoun, pronounced /træʃ/.

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 26364, this pair ranks #42,813 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of trás vs trash

Shared letters: rst. Private to "trás": á. Private to "trash": ah.

"trás" · 4 letters · shape CCVC  ·  "trash" · 5 letters · shape CCVCC

Known mistypes of this pair

  • trashrtash · tarsh · trahs · trashh · trassh · trrash · trsah · ttrash

Frequently Asked Questions

Is swapping "trás" for "trash" ever safe?
No - they are not even the same part of speech. "trás" is an adverb and "trash" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "trás" or "trash"?
"trás" is the more common of the two: it sits at frequency rank #860 in our Portuguese list, against #25,504 for "trash". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "trás" vs "trash" is on the table, pick a follow-up below.

  • Full dictionary entry for "trás" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "trash" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #42,813 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "trás" and "trash" also get mixed up with nearby pairs, the highest-scored neighbour is "trapo vs trash". 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 #42,813 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list