# nob vs NSF

> English confusable word pair

## The two words

### nob
*noun · IPA /nɒb/ · frequency rank #44,373*
The head.

### NSF
*name · frequency rank #27,233*
Initialism of National Science Foundation.

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