UNDULANT is a playable word

undulant Scrabble® Dictionary

adjective
undulating
51 Playable Words can be made from "UNDULANT"
   2-Letter Words (11 found)
   3-Letter Words (19 found)
   4-Letter Words (15 found)
   5-Letter Words (4 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)