Yes, carp is a Scrabble word!
...and is worth 8 points in Scrabble, and 10 points in Words with Friends
carp
Verb
1. Raise trivial objections
Noun
1. The lean flesh of a fish that is often farmed; can be baked or braised
2. Any of various freshwater fish of the family Cyprinidae
What Scrabble words can I make with the letters in carp?
3 Letter Words
2 Letter Words