petrifaction vs petrify

petrifaction is a noun but petrify is not a noun.

Word	Noun	Adjective	Verb	Adverb
petrifaction	Yes	No	No	No
petrify	No	No	Yes	No

petrifaction (noun)	petrify (noun)
a rock created by petrifaction; an organic object infiltrated with mineral matter and preserved in its original form
the process of turning some plant material into stone by infiltration with water carrying mineral particles without changing the original shape

petrifaction (verb)	petrify (verb)
	change into stone
	cause to become stonelike or stiff or dazed and stunned from fright
	make rigid and set into a conventional pattern