choke vs close up

choke is a noun but close up is not a noun.

Word	Noun	Adjective	Verb	Adverb
choke	Yes	No	Yes	No
close up	No	No	Yes	Yes

As verbs, close up is a hypernym of choke; that is, close up is a word with a broader meaning than choke:

Other hypernyms of choke include block, impede, jam, obstruct, obturate, occlude.

As verbs, close up is a hypernym of choke; that is, close up is a word with a broader meaning than choke:

Other hypernyms of choke include block, impede, jam, obstruct, obturate, occlude.

choke (noun)	close up (noun)
a valve that controls the flow of air into the carburetor of a gasoline engine
a coil of low resistance and high inductance used in electrical circuits to pass direct current and attenuate alternating current

choke (verb)	close up (verb)
breathe with great difficulty, as when experiencing a strong emotion	refuse to talk or stop talking; fall silent
cause to retch or choke	block passage through
struggle for breath; have insufficient oxygen intake	unite or bring into contact or bring together the edges of
constrict (someone's) throat and keep from breathing	cease to operate or cause to cease operating
reduce the air supply
pass from physical life and lose all bodily attributes and functions necessary to sustain life
suppress the development, creativity, or imagination of
become stultified, suppressed, or stifled
be too tight; rub or press
become or cause to become obstructed
wring the neck of
impair the respiration of or obstruct the air passage of
check or slow down the action or effect of
fail to perform adequately due to tension or agitation

choke (adverb)	close up (adverb)
	very close