NICHES is a playable word

niche Scrabble® Dictionary

verb
niched, niching, niches
to place in a receding space or hollow
54 Playable Words can be made from "NICHES"
   2-Letter Words (10 found)
   3-Letter Words (18 found)
   4-Letter Words (16 found)
   5-Letter Words (6 found)
   6-Letter Words (4 found)