SUBBLOCKS is a playable word

subblock Scrabble® Dictionary

noun
pl. subblocks
a subdivision of a block

103 Playable Words can be made from "SUBBLOCKS"

   2-Letter Words (6 found)

   3-Letter Words (20 found)

   6-Letter Words (3 found)

   8-Letter Words (1 found)

   9-Letter Words (1 found)