magnate vs top executive

magnate and top executive both are nouns.

Word	Noun	Adjective	Verb	Adverb
magnate	Yes	No	No	No
top executive	Yes	No	No	No

As nouns, magnate and top executive are synonyms defined as:

Other synonyms of magnate include baron, big businessman, business leader, king, mogul, power, tycoon.

magnate (noun)	top executive (noun)
a very wealthy or powerful businessman	a very wealthy or powerful businessman