NOGAUSM

Make words with M

Never:

* Third-person -S

* Plural -S

AMASS AMMO AMONG GAMMA GAMMON GNOMON GUNMAN MAGMA MAGNUM MAGUS MAMA MANGO MANNA MASON MASS MOAN MOMMA MONO MONOGAMOUS MONSOON MOON MOSS MUON SAMOSA SMOG SMUG SOMA SUMMA SUMMON SUMMONS SUMO