SPIRIER is a playable word

spiry Scrabble® Dictionary

adjective
spirier, spiriest
tall, slender, and tapering
51 Playable Words can be made from "SPIRIER"
   2-Letter Words (7 found)
   3-Letter Words (17 found)
   4-Letter Words (13 found)
   5-Letter Words (11 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)