SUBTESTS is a playable word

subtest Scrabble® Dictionary

noun
pl. subtests
a subdivision of a test
66 Playable Words can be made from "SUBTESTS"
   2-Letter Words (6 found)
   3-Letter Words (17 found)
   5-Letter Words (13 found)
   6-Letter Words (4 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)