conjoin vs graft

conjoin is not a noun while graft is a noun.

Word	Noun	Adjective	Verb	Adverb
conjoin	No	No	Yes	No
graft	Yes	No	Yes	No

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

conjoin (noun)	graft (noun)
	the act of grafting something onto something else
	the practice of offering something (usually money) in order to gain an illicit advantage
	(surgery) tissue or organ transplanted from a donor to a recipient; in some cases the patient can be both donor and recipient

conjoin (verb)	graft (verb)
make contact or come together	cause to grow together parts from different plants
take in marriage; married	place the organ of a donor into the body of a recipient