# qc vs qua

> English confusable word pair

## The two words

### qc
*noun · frequency rank #16,317*
Abbreviation of quaternionic contact.

### qua
*preposition · IPA /kwɑː/ · frequency rank #35,473*
as; in the capacity of; acting as

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