full general vs general officer

full general and general officer both are nouns.

Word	Noun	Adjective	Verb	Adverb
full general	Yes	No	No	No
general officer	Yes	No	No	No

As nouns, general officer is a hypernym of full general; that is, general officer is a word with a broader meaning than full general:

full general: a general officer of the highest rank
general officer: officers in the Army or Air Force or Marines above the rank of colonel

full general (noun)	general officer (noun)
a general officer of the highest rank	officers in the Army or Air Force or Marines above the rank of colonel