Is “Hexad” a Scrabble word?
Yes
HEXAD
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 Hexad
/ˈhɛksæd/
noun
1.A group of six.
2.An element or radical with the combining power of six units, i.e. six atoms of hydrogen.
Synonyms: sextet