Yes, hemp is a Scrabble word!
...and is worth 11 points in Scrabble, and 12 points in Words with Friends
hemp
Noun
1. A plant fiber
2. Any plant of the genus Cannabis; a coarse bushy annual with palmate leaves and clusters of small green flowers; yields tough fibers and narcotic drugs
3. A rope that is used by a hangman to execute persons who have been condemned to death by hanging
What Scrabble words can I make with the letters in hemp?
3 Letter Words
2 Letter Words