# nog vs NSF

> English confusable word pair

## The two words

### nog
*noun · IPA /nɒɡ/ · frequency rank #46,089*
A wooden block, the size of a brick, built into a wall, as a hold for the nails of woodwork.

### 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/nog-vs-nsf