# NDA vs non

> English confusable word pair

## The two words

### NDA
*noun · frequency rank #29,009*
Initialism of non-disclosure agreement.

### non
*adverb · IPA /nɑn/ · frequency rank #515*
Obsolete form of none.

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