Yes, kore is a Scrabble word!
...and is worth 8 points in Scrabble, and 8 points in Words with Friends
kore
Noun
1. (Greek mythology) daughter of Zeus and Demeter; made queen of the underworld by Pluto in ancient mythology; identified with Roman Proserpina
What Scrabble words can I make with the letters in kore?
3 Letter Words
2 Letter Words