Yes, bog is a Scrabble word!
...and is worth 6 points in Scrabble, and 8 points in Words with Friends
bog
Verb
1. Cause to slow down or get stuck
2. Get stuck while doing something
Noun
1. Wet spongy ground of decomposing vegetation; has poorer drainage than a swamp; soil is unfit for cultivation but can be cut and dried and used for fuel
What Scrabble words can I make with the letters in bog?
3 Letter Words
2 Letter Words