engraft vs infix

engraft is not a noun while infix is a noun.

Word	Noun	Adjective	Verb	Adverb
engraft	No	No	Yes	No
infix	Yes	No	Yes	No

As verbs, infix is a hypernym of engraft; that is, infix is a word with a broader meaning than engraft:

Other hypernyms of engraft include enter, insert, introduce.

engraft (noun)	infix (noun)
	an affix that is inserted inside the word

engraft (verb)	infix (verb)
fix or set securely or deeply	attach a morpheme into a stem word
cause to grow together parts from different plants	put or introduce into something