# that vs tra

> English confusable word pair

## The two words

### that
*conjunction · IPA /ðət/ · frequency rank #10*
Introducing a clause that is the object of a verb, especially a reporting verb or verb expressing belief, knowledge, perception, etc.

### tra
*noun · frequency rank #25,622*
Synonym of iridescent shark (“a shark catfish of species Pangasianodon hypophthalmus”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/that-vs-tra