TRINING is a playable word

trine Scrabble® Dictionary

verb
trined, trining, trines
to place in a particular astrological position
23 Playable Words can be made from "TRINING"
   2-Letter Words (4 found)
   3-Letter Words (7 found)
   4-Letter Words (8 found)
   5-Letter Words (1 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)