picture taking vs blow up

picture taking is a noun but blow up is not a noun.

Word	Noun	Adjective	Verb	Adverb
picture taking	Yes	No	No	No
blow up	No	No	Yes	No

picture taking (noun)	blow up (noun)
the act of taking and printing photographs

picture taking (verb)	blow up (verb)
	make large
	exaggerate or make bigger
	to swell or cause to enlarge
	cause to burst with a violent release of energy
	fill with gas or air
	burst and release energy as through a violent chemical or physical reaction
	add details to
	get very angry and fly into a rage