Potemkin vs political leader

Potemkin and political leader both are nouns.

Word	Noun	Adjective	Verb	Adverb
Potemkin	Yes	No	No	No
political leader	Yes	No	No	No

As nouns, political leader is a hypernym of Potemkin; that is, political leader is a word with a broader meaning than Potemkin:

Potemkin: a Russian officer and politician who was a favorite of Catherine II and in 1762 helped her to seize power; when she visited the Crimea in 1787 he gave the order for sham villages to be built (1739-1791)
political leader: a person active in party politics

Other hypernyms of Potemkin include military officer, officer, pol, politician, politico.

Potemkin (noun)	political leader (noun)
a Russian officer and politician who was a favorite of Catherine II and in 1762 helped her to seize power; when she visited the Crimea in 1787 he gave the order for sham villages to be built (1739-1791)	a person active in party politics