political hack vs politico

political hack and politico both are nouns.

Word	Noun	Adjective	Verb	Adverb
political hack	Yes	No	No	No
politico	Yes	No	No	No

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

political hack: a politician who belongs to a small clique that controls a political party for private rather than public ends
politico: a person active in party politics

Other hypernyms of political hack include pol, political leader, politician.

political hack (noun)	politico (noun)
a politician who belongs to a small clique that controls a political party for private rather than public ends	a person active in party politics