cadre vs political unit

cadre and political unit both are nouns.

Word	Noun	Adjective	Verb	Adverb
cadre	Yes	No	No	No
political unit	Yes	No	No	No

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

cadre: a small unit serving as part of or as the nucleus of a larger political movement
political unit: a unit with political responsibilities

Other hypernyms of cadre include political entity.

cadre (noun)	political unit (noun)
a nucleus of military personnel capable of expansion	a unit with political responsibilities
a small unit serving as part of or as the nucleus of a larger political movement