Is “Mizzen” a Scrabble word?
Yes
MIZZEN
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 Mizzen
/ˈmɪ.zən/
noun
1.Mizzenmast.
2.A fore-and-aft sail set on a mizzenmast.
adjective
1.Hindmost; nearest the stern.
“the mizzen shrouds, sails, etc.”