backed vs photography

backed is not a noun while photography is a noun.

Word	Noun	Adjective	Verb	Adverb
backed	No	Yes	No	No
photography	Yes	No	No	No

backed (noun)	photography (noun)
	the act of taking and printing photographs
	the occupation of taking and printing photographs or making movies
	the process of producing images of objects on photosensitive surfaces

backed (adjective)	photography (adjective)
having a back or backing, usually of a specified type
used of film that is coated on the side opposite the emulsion with a substance to absorb light