Yes, punk is a Scrabble word!
...and is worth 10 points in Scrabble, and 13 points in Words with Friends
punk
Adjective
1. Of very poor quality; flimsy
Noun
1. An aggressive and violent young criminal
2. Substance that smolders when ignited; used to light fuses (especially fireworks)
3. Material for starting a fire
4. A teenager or young adult who is a performer (or enthusiast) of punk rock and a member of the punk youth subculture
5. Rock music with deliberately offensive lyrics expressing anger and social alienation; in part a reaction against progressive rock
What Scrabble words can I make with the letters in punk?
3 Letter Words
2 Letter Words