Is “Hypocoristic” a Scrabble word?
Yes
HYPOCORISTIC
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 Hypocoristic
/ˌhaɪpəkəˈɹɪstɪk/
noun
1.A nickname, especially one indicating intimacy and formed through a shortening of the original name.
adjective
1.Relating to a nickname, usually indicating intimacy with the person.
2.Relating to baby talk.