SACLANT vs commandant

SACLANT and commandant both are nouns.

Word	Noun	Adjective	Verb	Adverb
SACLANT	Yes	No	No	No
commandant	Yes	No	No	No

As nouns, commandant is a hypernym of SACLANT; that is, commandant is a word with a broader meaning than SACLANT:

SACLANT: commanding officer of ACLANT; a general of the United States Army nominated by the President of the United States and approved by the North Atlantic Council
commandant: an officer in command of a military unit

Other hypernyms of SACLANT include commander, commanding officer.

SACLANT (noun)	commandant (noun)
commanding officer of ACLANT; a general of the United States Army nominated by the President of the United States and approved by the North Atlantic Council	an officer in command of a military unit