trásvstriTell them apart

Quick tell: trás is a adverb, tri is an adjective, so they fill different roles in a sentence.

Which to use

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

#860
“trás” frequency rank
#14,982
“tri” frequency rank
15842
confusion score

Side-by-Side Comparison

Feature trás tri
Definition depois de muito bom, legal; trilegal

Letter map: trás vs tri

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

4 ch
trás
3 ch
tri

Grammar separator: trás vs tri

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: trás is anadverb and trianadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 15842, derived from the frequency rank of both members and their visual similarity.

trás is recorded at frequency rank #860, classified as anadv. tri is at rank #14,982, tagged as anadj, pronounced /ˈtɾi/.

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 15842, this pair ranks #55,881 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of trás vs tri

Shared letters: rt. Private to "trás": . Private to "tri": i.

"trás" · 4 letters · shape CCVC  ·  "tri" · 3 letters · shape CCV

Frequently Asked Questions

Can "trás" and "tri" be used interchangeably?
No - they are not even the same part of speech. "trás" is an adverb and "tri" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "trás" or "tri"?
"trás" is the more common of the two: it sits at frequency rank #860 in our Portuguese list, against #14,982 for "tri". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Done with this confusable. These links stay specific to "trás" and "tri".

  • Full dictionary entry for "trás" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tri" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #55,881 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "trás" and "tri" also get mixed up with nearby pairs, the highest-scored neighbour is "til vs tri". Nearby pair

Confusion rank #55,881 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