Is “Primogeniture” a Scrabble word?
Yes
PRIMOGENITURE
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 Primogeniture
noun
1.The state of being the firstborn of the children of the same parents.
2.The principle that the eldest child has an exclusive right of inheritance.
3.An instance of such a right of inheritance, established by custom or law.