How many points is YA worth in Scrabble?

YA is worth 5 points in Scrabble.

Is YA valid in Words With Friends?

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

Yes, YA is a valid Scrabble word worth 5 points.

YES — YA is a valid Scrabble word 5 points

Scrabble US/CAN: 5 pts | Words With Friends: 4 pts

YA is a valid Scrabble US/CAN word worth 5 points:

Y₄A₁

YA is valid in Scrabble UK (World) —

Y₄A₁

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

Y₃A₁

You can make 2 words from ya according to the Scrabble US and Canada dictionary.