depend on vs build on

depend on and build on both are verbs.

Word	Noun	Adjective	Verb	Adverb
depend on	No	No	Yes	No
build on	No	No	Yes	No

As verbs, build on is a hyponym of depend on; that is, build on is a word with a more specific, narrower meaning than depend on:

Other hyponyms of depend on include build upon, repose on, rest on.

depend on (verb)	build on (verb)
be contingent on	use as a basis for theories and claims
be dependent on, as for support or maintenance
put trust in with confidence