WACKOS is a playable word

wacko Scrabble® Dictionary

noun
pl. wackos or wackoes
a wacky person
44 Playable Words can be made from "WACKOS"
   2-Letter Words (8 found)
   3-Letter Words (19 found)
   4-Letter Words (14 found)
   5-Letter Words (2 found)
   6-Letter Words (1 found)