mug vs toby

mug and toby both are nouns.

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

As nouns, toby is a hyponym of mug; that is, toby is a word with a more specific, narrower meaning than mug:

mug: with handle and usually cylindrical
toby: a drinking mug in the shape of a stout man wearing a three-cornered hat

Other hyponyms of mug include beer mug, stein, coffee mug, toby fillpot jug, toby jug.

mug (noun)	toby (noun)
with handle and usually cylindrical	a drinking mug in the shape of a stout man wearing a three-cornered hat
the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)
a person who is gullible and easy to take advantage of
the quantity that can be held in a mug

mug (verb)	toby (verb)
To stare awkwardly
rob at gunpoint or with the threat of violence