Yes, LUNGYIS is a Scrabble word!

Letter values in Scrabble US: L 1, U 1, N 1, G 2, Y 4, I 1, S 1.

Is it a valid word?

LUNGYIS is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

a long piece of brightly colored cloth (cotton or silk) used as clothing (a skirt or loincloth or sash etc.) in India and Pakistan and Burma

Not playable in Scrabble US: LONGYI.