Yes, bait is a Scrabble word!
...and is worth 6 points in Scrabble, and 7 points in Words with Friends
bait
Verb
1. Harass with persistent criticism or carping
2. Lure, entice, or entrap with bait
3. Attack with dogs or set dogs upon
Noun
1. Anything that serves as an enticement
2. Something used to lure fish or other animals into danger so they can be trapped or killed
What Scrabble words can I make with the letters in bait?
3 Letter Words
2 Letter Words