# NDC vs noo

> English confusable word pair

## The two words

### NDC
*noun · frequency rank #46,084*
Initialism of negative differential conductance.

### noo
*adverb · IPA /nuː/ · frequency rank #42,298*
Now.

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