Yes, coke is a Scrabble word!
...and is worth 10 points in Scrabble, and 11 points in Words with Friends
coke
Verb
1. Become coke
Noun
1. Carbon fuel produced by distillation of coal
2. Coca Cola is a trademarked cola
3. Street names for cocaine
What Scrabble words can I make with the letters in coke?
3 Letter Words
2 Letter Words