MOSAICKED is a playable word

mosaic Scrabble® Dictionary

verb
mosaicked, mosaicking, mosaics
to form into a mosaic (a type of inlaid surface decoration)
367 Playable Words can be made from "MOSAICKED"
   2-Letter Words (27 found)
   3-Letter Words (78 found)
   9-Letter Words (1 found)