Yes, chewer is a Scrabble word!
...and is worth 14 points in Scrabble, and 14 points in Words with Friends
chewer
Noun
1. Someone who chews (especially someone who chews tobacco)
What Scrabble words can I make with the letters in chewer?
6 Letter Words
5 Letter Words
4 Letter Words
Sponsored Links
3 Letter Words
2 Letter Words