Yes, pups is a Scrabble word!
...and is worth 8 points in Scrabble, and 11 points in Words with Friends
pups
Verb
1. Birth
Noun
1. Young of any of various canines such as a dog or wolf
2. An inexperienced young person
What Scrabble words can I make with the letters in pups?
3 Letter Words
2 Letter Words