tha vs trás, What's the Difference?

Which to use

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

#38,931
“tha” frequency rank: #860
“trás” frequency rank: 39791
confusion score

Side-by-Side Comparison

Feature	tha	trás
Definition	presente do verbo bi (ser, estar); sou/estou, é/está, somos/estamos, são/estão	depois de

Letter map: tha vs trás

Shared letters muted; letters that set tha and trás apart highlighted. Shared run: 1.

3 ch

tha

4 ch

trás

Part-of-speech tell for tha / trás

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: tha is averb and trásanadverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 39791, derived from the frequency rank of both members and their visual similarity.

tha is recorded at frequency rank #38,931, classified as averb, pronounced /ha/. trás is at rank #860, tagged as anadv.

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 39791, this pair ranks #26,413 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of tha vs trás

Shared letters: t. Private to "tha": ah. Private to "trás": rsá.

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

Frequently Asked Questions

Do "tha" and "trás" mean the same thing in a sentence?

No - they are not even the same part of speech. "tha" is a verb and "trás" an adverb, so a sentence built for one is usually ungrammatical with the other.

In ordinary Portuguese text, does "tha" or "trás" show up more?

"trás" is the more common of the two: it sits at frequency rank #860 in our Portuguese list, against #38,931 for "tha". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

Full dictionary entry for "tha" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "trás" - compare definitions side by side with the headword page. Word entry
This pair ranks #26,413 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"tha" and "trás" also get mixed up with nearby pairs, the highest-scored neighbour is "tha vs tosa". Nearby pair

Confusion rank #26,413 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.