# ISA vs ISC

> English confusable word pair

## The two words

### ISA
*noun · IPA /ˈaɪsə/ · frequency rank #13,178*
Initialism of instruction set architecture.

### ISC
*name · frequency rank #43,722*
Initialism of Internet Systems Consortium.

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