GROINING is a playable word

groin Scrabble® Dictionary

verb
groined, groining, groins
to build with intersecting arches
46 Playable Words can be made from "GROINING"
   2-Letter Words (7 found)
   3-Letter Words (11 found)
   4-Letter Words (13 found)
   5-Letter Words (6 found)
   6-Letter Words (3 found)
   7-Letter Words (4 found)
   8-Letter Words (2 found)