Is “Differentia” a Scrabble word?
Yes
DIFFERENTIA
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 Differentia
/dɪfəˈɹɛnʃɪə/
noun
1.A distinguishing feature which marks a species off from other members of the same genus.