underpin vs agree

underpin and agree both are verbs.

Word	Noun	Adjective	Verb	Adverb
underpin	No	No	Yes	No
agree	No	No	Yes	No

As verbs, agree is a hypernym of underpin; that is, agree is a word with a broader meaning than underpin:

underpin: support with evidence or authority or make more certain or confirm
agree: be compatible, similar or consistent; coincide in their characteristics

Other hypernyms of underpin include check, correspond, fit, gibe, jibe, match, tally.

underpin (verb)	agree (verb)
support from beneath	be in accord; be in agreement
support with evidence or authority or make more certain or confirm	consent or assent to a condition, or agree to do something
	achieve harmony of opinion, feeling, or purpose
	be agreeable or suitable
	be compatible, similar or consistent; coincide in their characteristics
	go together
	show grammatical agreement