# Thad vs Thi

> English confusable word pair

## The two words

### Thad
*name · IPA /θæd/ · frequency rank #33,452*
A diminutive of the male given names Thaddeus or Thaddaeus, sometimes also used as a formal given name.

### Thi
*name · frequency rank #23,700*
A surname from Vietnamese.

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