Yes, nip is a Scrabble word!
...and is worth 5 points in Scrabble, and 7 points in Words with Friends
nip
Verb
1. Squeeze tightly between the fingers
2. Give a small sharp bite to
3. Sever or remove by pinching or snipping
Noun
1. A small drink of liquor
2. (offensive slang) offensive term for a person of Japanese descent
3. The taste experience when a savoury condiment is taken into the mouth
4. The property of being moderately cold
5. A tart spicy quality
6. A small sharp bite or snip
What Scrabble words can I make with the letters in nip?
3 Letter Words
2 Letter Words