How many points is LIS worth in Scrabble?

LIS is worth 3 points in Scrabble.

Is LIS a valid Scrabble word?

Yes, LIS is a valid Scrabble word worth 3 points.

Yes, LIS is a valid Words With Friends word worth 4 points.

YES — LIS is a valid Scrabble word 3 points

Scrabble US/CAN: 3 pts | Words With Friends: 4 pts

LIS is a valid Scrabble US/CAN word worth 3 points:

L₁I₁S₁

LIS is valid in Scrabble UK (World) —

L₁I₁S₁

LIS is a valid Words With Friends word worth 4 points:

L₂I₁S₁

You can make 4 words from lis according to the Scrabble US and Canada dictionary.