Is “Centralization” a Scrabble word?
Yes
CENTRALIZATION
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 Centralization
/ˌsɛntɹəˌlaɪˈzeɪʃən/
noun
1.The act or process of centralizing, or the state of being centralized; the act or process of combining or reducing several parts into a whole
“the centralization of commerce in a city”