get up vs boost

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

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

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

get up (noun)	boost (noun)
	the act of giving hope or support to someone
	the act of giving a push
	an increase in cost

get up (verb)	boost (verb)
get up and out of bed	increase or raise
cause to rise	give a boost to; be beneficial to
put on special clothes to appear particularly appealing and attractive	push or shove upward, as if from below or behind
develop	increase
study intensively, as before an exam	contribute to the progress or growth of
arrange by systematic planning and united effort
raise from a lower to a higher position
rise to one's feet