ETYM Old Eng. mouth, muth, as. műth.
1. An opening that resembles a mouth (as of a cave or a gorge).
2. The opening of a jar or bottle.
3. A person conceived as a consumer of food.
4. The point where a stream issues into a larger body of water.

ETYM Old Eng. mosel, Old Fren. musel, French museau muzzle or snout, Late Lat. musellus, from musus, morsus. Related to Muse, Morsel.
Forward projecting part of the head of certain animals; includes the jaws and nose.

1. A quick sharp bark; yelp
2. Shrill insistent talk; chatter
3. An unsophisticated, ignorant, or uncouth person; bumpkin
4. Slang; mouth