border on vs come close

border on and come close both are verbs.

Word	Noun	Adjective	Verb	Adverb
border on	No	No	Yes	No
come close	No	No	Yes	No

As verbs, come close is a hypernym of border on; that is, come close is a word with a broader meaning than border on:

border on: come near or verge on, resemble, come nearer in quality, or character
come close: be close or similar

Other hypernyms of border on include approximate.

border on (verb)	come close (verb)
come near or verge on, resemble, come nearer in quality, or character	nearly do something
	be close or similar