photography vs picture taking

photography and picture taking both are nouns.

Word	Noun	Adjective	Verb	Adverb
photography	Yes	No	No	No
picture taking	Yes	No	No	No

As nouns, photography and picture taking are synonyms defined as:

photography and picture taking: the act of taking and printing photographs

photography (noun)	picture taking (noun)
the act of taking and printing photographs	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