Yes, ewe is a Scrabble word!
...and is worth 6 points in Scrabble, and 6 points in Words with Friends
ewe
Noun
1. A member of a people living in southern Benin and Togo and southeastern Ghana
2. A Kwa language spoken by the Ewe in Ghana and Togo and Benin
3. Female sheep
What Scrabble words can I make with the letters in ewe?
3 Letter Words
2 Letter Words