Is “Flues” a Scrabble word?
Yes
FLUES
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 Flues
/fluːz/
noun
1.A pipe or duct that carries gaseous combustion products away from the point of combustion (such as a furnace).
2.An enclosed passageway in which to direct air or other gaseous current along.
3.A woolly or downy substance; down, nap; a piece of this.