SILICA is a playable word

silica Scrabble® Dictionary

noun
pl. silicas
a form of silicon
31 Playable Words can be made from "SILICA"
   2-Letter Words (7 found)
   3-Letter Words (10 found)
   4-Letter Words (8 found)
   5-Letter Words (4 found)
   6-Letter Words (2 found)