ROOTKIT is a playable word

rootkit Scrabble® Dictionary

noun
pl. rootkits
software that allows a person to secretly access a computer

40 Playable Words can be made from "ROOTKIT"

   2-Letter Words (7 found)

   3-Letter Words (14 found)

   4-Letter Words (16 found)

   5-Letter Words (2 found)

   7-Letter Words (1 found)