# NCO vs NIH

> English confusable word pair

## The two words

### NCO
*noun · frequency rank #44,957*
Initialism of numerically controlled oscillator.

### NIH
*name · frequency rank #18,376*
Initialism of National Institutes of Health.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/nco-vs-nih