Is “Surtax” a Scrabble word?
Yes
SURTAX
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 Surtax
noun
1.An additional or extra tax.
verb
1.To impose a surtax upon.