Is “Xu” a Scrabble word?
Yes
XU
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 Xu
/suː/
noun
1.A minor unit of currency in Vietnam, now little-used, forming a hundredth of a dong.