ZIZZING is a playable word

zizz Scrabble® Dictionary

verb
zizzed, zizzing, zizzes
to make a buzzing sound
9 Playable Words can be made from "ZIZZING"
   2-Letter Words (2 found)
   3-Letter Words (4 found)
   4-Letter Words (2 found)
   7-Letter Words (1 found)