Yes, butts is a Scrabble word!

Verb

1. Lie adjacent to another or share a boundary

2. To strike, thrust or shove against

3. Place end to end without overlapping

Noun

1. Thick end of the handle

2. The part of a plant from which the roots spring or the part of a stalk or trunk nearest the roots

3. A victim of ridicule or pranks

4. The fleshy part of the human body that you sit on

5. Sports equipment consisting of an object set up for a marksman or archer to aim at

6. Finely ground tobacco wrapped in paper; for smoking

7. A joint made by fastening ends together without overlapping

8. A large cask (especially one holding a volume equivalent to 2 hogsheads or 126 gallons)

9. The small unused part of something (especially the end of a cigarette that is left after smoking)