# TDI vs tho

> English confusable word pair

## The two words

### TDI
*noun · frequency rank #49,091*
Abbreviation of toluene diisocyanate.

### tho
*article · IPA /ðəʊ/ · frequency rank #3,588*
The (plural form); those.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-02.
Canonical page: https://plainspell.com/en/vs/tdi-vs-tho