Yes, eddo is a Scrabble word!
...and is worth 6 points in Scrabble, and 6 points in Words with Friends
eddo
Noun
1. Edible starchy tuberous root of taro plants
What Scrabble words can I make with the letters in eddo?
3 Letter Words
2 Letter Words
Noun
1. Edible starchy tuberous root of taro plants
3 Letter Words
2 Letter Words