Is “Tyranny” a Scrabble word?
Yes
TYRANNY
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 Tyranny
/ˈtɪɹəni/
noun
1.A government in which a single ruler (a tyrant) has absolute power; this system of government.
2.The office or jurisdiction of an absolute ruler.
3.Absolute power, or its use.
Synonyms: autocracy, despotism, dictatorship, monarchy