mogul vs business leader

mogul and business leader both are nouns.

Word	Noun	Adjective	Verb	Adverb
mogul	Yes	No	No	No
business leader	Yes	No	No	No

As nouns, mogul and business leader are synonyms defined as:

Other synonyms of mogul include baron, big businessman, king, magnate, power, top executive, tycoon.

mogul (noun)	business leader (noun)
a very wealthy or powerful businessman	a very wealthy or powerful businessman
a bump on a ski slope