choke off vs choke up

choke off and choke up both are verbs.

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

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

Other hyponyms of choke off include gum up, block, lug, stuff, silt, silt up.

choke off (verb)	choke up (verb)
suppress	obstruct
become or cause to become obstructed