make unnecessary vs foreclose

make unnecessary and foreclose both are verbs.

Word	Noun	Adjective	Verb	Adverb
make unnecessary	No	No	Yes	No
foreclose	No	No	Yes	No

As verbs, foreclose is a hypernym of make unnecessary; that is, foreclose is a word with a broader meaning than make unnecessary:

Other hypernyms of make unnecessary include forbid, forestall, preclude, prevent.

make unnecessary (verb)	foreclose (verb)
make unnecessary an expenditure or effort	subject to foreclosing procedures; take away the right of mortgagors to redeem their mortgage
	keep from happening or arising; make impossible