unify vs blend

unify is not a noun while blend is a noun.

Word	Noun	Adjective	Verb	Adverb
unify	No	No	Yes	No
blend	Yes	No	Yes	No

As verbs, blend is a hyponym of unify; that is, blend is a word with a more specific, narrower meaning than unify:

Other hyponyms of unify include aggregate, combine, concoct, combine, compound, immingle, intermingle, intermix.

unify (noun)	blend (noun)
	the act of blending components together thoroughly
	a new word formed by joining two others and combining their meanings
	an occurrence of thorough mixing

unify (verb)	blend (verb)
become one	mix together different elements
join or combine	combine into one
to bring or combine together or with something else	blend or harmonize
act in concert or unite in a common purpose or belief
bring together for a common purpose or action or ideology or in a shared situation