WHATSITS is a playable word

whatsit Scrabble® Dictionary

noun
pl. whatsits
something whose name is unknown or forgotten
114 Playable Words can be made from "WHATSITS"
   2-Letter Words (13 found)
   3-Letter Words (30 found)
   6-Letter Words (4 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)