commando vs military unit

commando and military unit both are nouns.

Word	Noun	Adjective	Verb	Adverb
commando	Yes	No	No	No
military unit	Yes	No	No	No

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

commando: an amphibious military unit trained for raids into enemy territory
military unit: a unit that is part of some military service

Other hypernyms of commando include force, military force, military group.

commando (noun)	military unit (noun)
an amphibious military unit trained for raids into enemy territory	a unit that is part of some military service
a member of a military unit trained as shock troops for hit-and-run raids