subdue vs crush

subdue is not a noun while crush is a noun.

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

As verbs, crush is a hypernym of subdue; that is, crush is a word with a broader meaning than subdue:

Other hypernyms of subdue include beat, beat out, shell, trounce, vanquish.

As verbs, crush is a hypernym of subdue; that is, crush is a word with a broader meaning than subdue:

Other hypernyms of subdue include oppress, suppress.

subdue (noun)	crush (noun)
	the act of crushing
	temporary love of an adolescent
	a dense crowd of people
	leather that has had its grain pattern accentuated

subdue (verb)	crush (verb)
correct by punishment or discipline	break into small pieces
bring under control by force or authority	become injured, broken, or distorted by pressure
make subordinate, dependent, or subservient	come out better in a competition, race, or conflict
get on top of; deal with successfully	make ineffective
hold within limits and control	to compress with violence, out of natural shape or condition
put down by force or intimidation	crush or bruise
	humiliate or depress completely
	come down on or keep down by unjust use of one's authority