Is “Zizz” a Scrabble word?
Yes
ZIZZ
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Zizz
/zɪz/
noun
1.A nap or sleep.
2.A buzzing or whizzing sound.
verb
1.To take a nap.