YOLKS is a playable word

yolk Scrabble® Dictionary

noun
pl. yolks
the yellow portion of an egg
(adjective) yolked
16 Playable Words can be made from "YOLKS"
   2-Letter Words (6 found)
   3-Letter Words (6 found)
   4-Letter Words (3 found)
   5-Letter Words (1 found)