Is “Affinal” a Scrabble word?
Yes
AFFINAL
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 Affinal
adjective
1.Of a family relationship by marriage of a relative (or through affinity), as opposed to consanguinity; in-law.