radiography vs radiographic

radiography is a noun but radiographic is not a noun.

Word	Noun	Adjective	Verb	Adverb
radiography	Yes	No	No	No
radiographic	No	Yes	No	No

radiography (noun)	radiographic (noun)
photography that uses other kinds of radiation than visible light
the process of making a radiograph; producing an image on a radiosensitive surface by radiation other than visible light

radiography (adjective)	radiographic (adjective)
	relating to or produced by radiography