# TDI vs TEC

> English confusable word pair

## The two words

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

### TEC
*noun · frequency rank #28,753*
Initialism of thermoelectric cooler: an electrical heat-transferring device which applies the Peltier effect.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/tdi-vs-tec