# IDC vs IDK

> English confusable word pair

## The two words

### IDC
*name · frequency rank #24,789*
Initialism of International Data Corporation.

### IDK
*phrase · frequency rank #5,422*
Initialism of I don't know.

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