Is “Alder” a Scrabble word?
Yes
ALDER
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 Alder
/ˈɑldɚ/
noun
1.Any of several trees or shrubs of the genus Alnus, belonging to the birch family.