nudge vs elbow

nudge and elbow both are nouns.

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

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

Other hyponyms of nudge include jog.

nudge (noun)	elbow (noun)
a slight push or shake	the joint of a mammal or bird that corresponds to the human elbow
	the part of a sleeve that covers the elbow joint
	a sharp bend in a road or river
	a length of pipe with a sharp bend in it
	hinge joint between the forearm and upper arm and the corresponding joint in the forelimb of a quadruped

nudge (verb)	elbow (verb)
push into action by pestering or annoying gently	shove one's elbow into another person's ribs
to push against gently	push one's way with the elbows