get up vs spatchcock

get up is not a noun while spatchcock is a noun.

Word	Noun	Adjective	Verb	Adverb
get up	No	No	Yes	No
spatchcock	Yes	No	Yes	No

As verbs, spatchcock is a hyponym of get up; that is, spatchcock is a word with a more specific, narrower meaning than get up:

Other hyponyms of get up include mount, put on, lay, set up, sandwich, embattle, fix.

get up (noun)	spatchcock (noun)
	flesh of a chicken (or game bird) split down the back and grilled (usually immediately after being killed)

get up (verb)	spatchcock (verb)
get up and out of bed	interpolate or insert (words) into a sentence or story
cause to rise	prepare for eating if or as if a spatchcock
put on special clothes to appear particularly appealing and attractive
develop
study intensively, as before an exam
arrange by systematic planning and united effort
raise from a lower to a higher position
rise to one's feet