Is “Flu” a Scrabble word?
Yes
FLU
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 Flu
/flʉː/
noun
1.Influenza.
2.Stomach flu.
Synonyms: grip, grippe