grip vs mug

grip and mug both are nouns.

Word	Noun	Adjective	Verb	Adverb
grip	Yes	No	Yes	No
mug	Yes	No	Yes	No

grip (noun)	mug (noun)
the act of grasping	with handle and usually cylindrical
a portable rectangular container for carrying clothes	the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)
the appendage to an object that is designed to be held in order to use or move it	a person who is gullible and easy to take advantage of
a flat wire hairpin whose prongs press tightly together; used to hold bobbed hair in place	the quantity that can be held in a mug
an intellectual hold or understanding
worker who moves the camera around while a film or television show is being made
the friction between a body and the surface on which it moves (as between an automobile tire and the road)

grip (verb)	mug (verb)
hold fast or firmly	To stare awkwardly
to grip or seize, as in a wrestling match	rob at gunpoint or with the threat of violence
to render motionless, as with a fixed stare or by arousing terror or awe