fruit vs fructify

fruit is a noun but fructify is not a noun.

Word	Noun	Adjective	Verb	Adverb
fruit	Yes	No	Yes	No
fructify	No	No	Yes	No

fruit (noun)	fructify (noun)
an amount of a product
the consequence of some effort or action
the ripened reproductive body of a seed plant

fruit (verb)	fructify (verb)
bear fruit	produce fruit
cause to bear fruit	become productive or fruitful
	make productive or fruitful