bear on vs nudge

bear on is not a noun while nudge is a noun.

Word	Noun	Adjective	Verb	Adverb
bear on	No	No	Yes	No
nudge	Yes	No	Yes	No

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

bear on: press, drive, or impel (someone) to action or completion of an action
nudge: push into action by pestering or annoying gently

Other hyponyms of bear on include bull, bull through.

bear on (noun)	nudge (noun)
	a slight push or shake

bear on (verb)	nudge (verb)
have an effect upon	push into action by pestering or annoying gently
press, drive, or impel (someone) to action or completion of an action	to push against gently
be relevant to
keep or maintain in unaltered condition; cause to remain or last