LINCHPIN is a playable word

linchpin Scrabble® Dictionary

noun
pl. linchpins
a locking pin inserted in the end of a shaft
33 Playable Words can be made from "LINCHPIN"
   2-Letter Words (4 found)
   3-Letter Words (13 found)
   4-Letter Words (8 found)
   5-Letter Words (6 found)
   6-Letter Words (1 found)
   8-Letter Words (1 found)