ossification vs ossify

ossification is a noun but ossify is not a noun.

Word	Noun	Adjective	Verb	Adverb
ossification	Yes	No	No	No
ossify	No	No	Yes	No

ossification (noun)	ossify (noun)
hardened conventionality
the developmental process of bone formation
the process of becoming rigidly fixed in a conventional pattern of thought or behavior
the calcification of soft tissue into a bonelike material

ossification (verb)	ossify (verb)
	become bony
	cause to become hard and bony
	make rigid and set into a conventional pattern