administrative unit vs unit

administrative unit and unit both are nouns.

Word	Noun	Adjective	Verb	Adverb
administrative unit	Yes	No	No	No
unit	Yes	No	No	No

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

Other hypernyms of administrative unit include social unit.

administrative unit (noun)	unit (noun)
a unit with administrative responsibilities	an assemblage of parts that is regarded as a single entity
	a single undivided whole
	an organization regarded as part of a larger social group
	a single undivided natural thing occurring in the composition of something else
	any division of quantity accepted as a standard of measurement or exchange
	an individual or group or structure or other entity regarded as a structural or functional constituent of a whole