compression vs crush

compression and crush both are nouns.

Word	Noun	Adjective	Verb	Adverb
compression	Yes	No	No	No
crush	Yes	No	Yes	No

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

Other hyponyms of compression include squeeze, squeezing, condensation, condensing, compaction, crunch, constriction.

compression (noun)	crush (noun)
applying pressure	the act of crushing
encoding information while reducing the bandwidth or bits required	temporary love of an adolescent
the process or result of becoming smaller or pressed together	a dense crowd of people
an increase in the density of something	leather that has had its grain pattern accentuated

compression (verb)	crush (verb)
	break into small pieces
	become injured, broken, or distorted by pressure
	come out better in a competition, race, or conflict
	make ineffective
	to compress with violence, out of natural shape or condition
	crush or bruise
	humiliate or depress completely
	come down on or keep down by unjust use of one's authority