GEOGNOSY is a playable word

geognosy Scrabble® Dictionary

noun
pl. geognosies
a branch of geology
88 Playable Words can be made from "GEOGNOSY"
   2-Letter Words (12 found)
   3-Letter Words (25 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)