DIABASE is a playable word

diabase Scrabble® Dictionary

noun
pl. diabases
an igneous rock
(adjective) diabasic
88 Playable Words can be made from "DIABASE"
   2-Letter Words (16 found)
   3-Letter Words (28 found)
   5-Letter Words (10 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)