Is “Interlay” a Scrabble word?
Yes
INTERLAY
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 Interlay
verb
1.To insert layers of a different material.
“Each pair of pages of the book is interlaid by carbon paper.”