serein

Noun

Alternative form of serene (“light rainfall from a cloudless sky after sunset”).
pl. -S a fine rain falling from an apparently clear sky

Scrabble Score: 6

serein: valid Scrabble (US) TWL word
serein: valid Scrabble Word in Merriam-Webster MW Dictionary
serein: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 7

serein is a valid Words With Friends word