MODULUS is a playable word

modulus Scrabble® Dictionary

noun
pl. moduli
a number that produces the same remainder when divided into each of two numbers
64 Playable Words can be made from "MODULUS"
   2-Letter Words (10 found)
   3-Letter Words (24 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)