# Q2 vs qc

> English confusable word pair

## The two words

### Q2
*noun · frequency rank #22,475*
The second quarter of a calendar year (April, May and June).

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

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-02.
Canonical page: https://plainspell.com/en/vs/q2-vs-qc