RUMENS is a playable word

rumen Scrabble® Dictionary

noun
pl. rumens or rumina
a part of the stomach of a ruminant
(adjective) ruminal
61 Playable Words can be made from "RUMENS"
   2-Letter Words (12 found)
   3-Letter Words (23 found)
   4-Letter Words (17 found)
   5-Letter Words (8 found)
   6-Letter Words (1 found)