Is “Nights” a Scrabble word?
Yes
NIGHTS
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 Nights
/naɪts/
adverb
1.At night.
“I work nights.”
2.Every night.