trásvstremConfusable pair

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

Which to use

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

#860
“trás” frequency rank
#2,257
“trem” frequency rank
3117
confusion score

Side-by-Side Comparison

Feature trás trem
Definition depois de meio de transporte ferroviário

Letter map: trás vs trem

Shared letters muted; letters that set trás and trem apart highlighted. Shared run: 2.

4 ch
trás
4 ch
trem

Role in the sentence - trás and trem

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: trás is anadverb and tremanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 3117, derived from the frequency rank of both members and their visual similarity.

trás is recorded at frequency rank #860, classified as anadv. trem is at rank #2,257, tagged as anoun, pronounced /trẽj/.

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 3117, this pair ranks #72,086 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of trás vs trem

Shared letters: rt. Private to "trás": . Private to "trem": em.

"trás" · 4 letters · shape CCVC  ·  "trem" · 4 letters · shape CCVC

Known mistypes of this pair

  • tremrtem · term · tremm · trme · trrem · ttrem

Frequently Asked Questions

Can "trás" and "trem" be used interchangeably?
No - they are not even the same part of speech. "trás" is an adverb and "trem" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "trás" or "trem"?
"trás" is the more common of the two: it sits at frequency rank #860 in our Portuguese list, against #2,257 for "trem". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "trás" vs "trem" 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 "trem" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #72,086 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "trás" and "trem" also get mixed up with nearby pairs, the highest-scored neighbour is "trem vs trema". 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 #72,086 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