ROOTKITS is a playable word

rootkit Scrabble® Dictionary

noun
pl. rootkits
software that allows a person to secretly access a computer
108 Playable Words can be made from "ROOTKITS"
   2-Letter Words (11 found)
   3-Letter Words (25 found)
   6-Letter Words (2 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)