# mon vs MoS

> English confusable word pair

## The two words

### mon
*noun · IPA /mɑn/ · frequency rank #8,828*
The former currency of Japan until 1870, before the yen.

### MoS
*noun · frequency rank #16,536*
Alternative letter-case form of MOS (“manual of style”).

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