Is “Isogamy” a Scrabble word?
Yes
ISOGAMY
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 Isogamy
/aɪˈsɒɡəmi/
noun
1.A form of sexual reproduction involving gametes of similar morphology.