Is “Sen” a Scrabble word?
Yes
SEN
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 Sen
/sɛn/
noun
1.A unit of Japanese currency, worth one hundredth of a yen.
2.A coin of this value.