Is “Regain” a Scrabble word?
Yes
REGAIN
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 Regain
/ɹiːˈɡeɪn/
verb
1.To get back; to recover possession of.