jug vs imprison

jug is a noun but imprison is not a noun.

Word	Noun	Adjective	Verb	Adverb
jug	Yes	No	Yes	No
imprison	No	No	Yes	No

As verbs, jug and imprison are synonyms defined as:

Other synonyms of jug include gaol, immure, incarcerate, jail, lag, put away, put behind bars, remand.

jug (noun)	imprison (noun)
a large bottle with a narrow mouth
the quantity contained in a jug

jug (verb)	imprison (verb)
stew in an earthenware jug	lock up or confine, in or as in a jail
lock up or confine, in or as in a jail	confine as if in a prison