Yes, helm is a Scrabble word!
...and is worth 9 points in Scrabble, and 10 points in Words with Friends
helm
Verb
1. Be at or take the helm of
Noun
1. Steering mechanism for a vessel; a mechanical device by which a vessel is steered
2. A position of leadership
What Scrabble words can I make with the letters in helm?
3 Letter Words
2 Letter Words