rack up vs convert

rack up is not a noun while convert is a noun.

Word	Noun	Adjective	Verb	Adverb
rack up	No	No	Yes	No
convert	Yes	No	Yes	No

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

rack up: gain points in a game
convert: score an extra point or points after touchdown by kicking the ball through the uprights or advancing the ball into the end zone

Other hyponyms of rack up include par, shoot, homer, kick, eagle, hole up, ace, walk, equalise, equalize, get even, get, have, make.

rack up (noun)	convert (noun)
	a person who has been converted to another religious or political belief

rack up (verb)	convert (verb)
supply a rack with feed for (horses or other animals)	change from one system to another or to a new plan or policy
defeat thoroughly	change religious beliefs, or adopt a religious belief
gain points in a game	exchange or replace with another, usually of the same kind or category
place in a rack	change the nature, purpose, or function of something
	change in nature, purpose, or function; undergo a chemical change
	cause to adopt a new or different faith
	exchange a penalty for a less severe one
	make (someone) agree, understand, or realize the truth or validity of something
	score an extra point or points after touchdown by kicking the ball through the uprights or advancing the ball into the end zone