Is “Dieback” a Scrabble word?
Yes
DIEBACK
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 Dieback
noun
1.The browning and death of a plant shoot starting at the tip, due to either disease or climate conditions