RHUMBS is a playable word

rhumb Scrabble® Dictionary

noun
pl. rhumbs
a point of the mariner's compass
35 Playable Words can be made from "RHUMBS"
   2-Letter Words (6 found)
   3-Letter Words (12 found)
   4-Letter Words (12 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)