weightlifting vs clean

weightlifting and clean both are nouns.

Word	Noun	Adjective	Verb	Adverb
weightlifting	Yes	No	No	No
clean	Yes	Yes	Yes	Yes

As nouns, clean is a hyponym of weightlifting; that is, clean is a word with a more specific, narrower meaning than weightlifting:

weightlifting: bodybuilding by exercise that involves lifting weights
clean: a weightlift in which the barbell is lifted to shoulder height and then jerked overhead

Other hyponyms of weightlifting include jerk, bench press, clean and jerk, military press, press, snatch, deadlift.

weightlifting (noun)	clean (noun)
bodybuilding by exercise that involves lifting weights	a weightlift in which the barbell is lifted to shoulder height and then jerked overhead

weightlifting (adjective)	clean (adjective)
	free from dirt or impurities; or having clean habits
	(of behavior or especially language) free from objectionable elements; fit for all observers
	not spreading pollution or contamination; especially radioactive contamination
	ritually clean or pure
	free from clumsiness; precisely or deftly executed
	free from sepsis or infection
	thorough and without qualification
	without difficulties or problems
	(of a surface) not written or printed on
	exhibiting or calling for sportsmanship or fair play
	(of a manuscript) having few alterations or corrections
	morally pure
	(of a record) having no marks of discredit or offense
	free from impurities
	free of drugs
	not carrying concealed weapons
	free of restrictions or qualifications
	(of sound or color) free from anything that dulls or dims

weightlifting (verb)	clean (verb)
	clean one's body or parts thereof, as by washing
	remove unwanted substances from
	remove unwanted substances from, such as feathers or pits
	remove shells or husks from
	make clean by removing dirt, filth, or unwanted substances from
	clean and tidy up the house
	remove while making clean
	remove all contents or possession from, or empty completely
	deprive wholly of money in a gambling game, robbery, etc.
	be cleanable

weightlifting (adverb)	clean (adverb)
	in conformity with the rules or laws and without fraud or cheating
	completely; used as intensifiers