build upon vs turn on

build upon and turn on both are verbs.

Word	Noun	Adjective	Verb	Adverb
build upon	No	No	Yes	No
turn on	No	No	Yes	No

As verbs, turn on is a hypernym of build upon; that is, turn on is a word with a broader meaning than build upon:

Other hypernyms of build upon include depend on, depend upon, devolve on, hinge on, hinge upon, ride.

build upon (verb)	turn on (verb)
use as a basis for theories and claims	become hostile towards
	get high, stoned, or drugged
	cause to operate by flipping a switch
	to evoke sexual feelings
	cause to be agitated, excited, or roused
	produce suddenly or automatically
	be contingent on