LICHEN is a playable word

lichen Scrabble® Dictionary

verb
lichened, lichening, lichens
to cover with lichens (flowerless plants)
39 Playable Words can be made from "LICHEN"
   2-Letter Words (8 found)
   3-Letter Words (12 found)
   4-Letter Words (12 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)