push vs nudge

push and nudge both are nouns.

Word	Noun	Adjective	Verb	Adverb
push	Yes	No	Yes	No
nudge	Yes	No	Yes	No

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

Other hyponyms of push include depression, jog, press, pressing, pressure, shove, boost.

As verbs, nudge is a hyponym of push; that is, nudge is a word with a more specific, narrower meaning than push:

Other hyponyms of push include bull, bull through.

As verbs, nudge is a hyponym of push; that is, nudge is a word with a more specific, narrower meaning than push:

push (noun)	nudge (noun)
the act of applying force in order to move something away	a slight push or shake
an effort to advance
an electrical switch operated by pressing
enterprising or ambitious drive
the force used in pushing

push (verb)	nudge (verb)
make publicity for; try to sell (a product)	push into action by pestering or annoying gently
press, drive, or impel (someone) to action or completion of an action	to push against gently
make strenuous pushing movements during birth to expel the baby
move with force
approach a certain age or speed
press against forcefully without moving
move strenuously and with effort
sell or promote the sale of (illegal goods such as drugs)
strive and make an effort to reach a goal
exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for