ONTOLOGY is a playable word

ontology Scrabble® Dictionary

noun
pl. ontologies
the branch of philosophy that deals with being
47 Playable Words can be made from "ONTOLOGY"
   2-Letter Words (7 found)
   3-Letter Words (15 found)
   4-Letter Words (16 found)
   5-Letter Words (5 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)