bazooka vs rocket launcher

bazooka and rocket launcher both are nouns.

Word	Noun	Adjective	Verb	Adverb
bazooka	Yes	No	No	No
rocket launcher	Yes	No	No	No

As nouns, rocket launcher is a hypernym of bazooka; that is, rocket launcher is a word with a broader meaning than bazooka:

bazooka: a portable rocket launcher used by infantrymen as an antitank weapon
rocket launcher: armament in the form of a device capable of launching a rocket

Other hypernyms of bazooka include launcher.

bazooka (noun)	rocket launcher (noun)
a portable rocket launcher used by infantrymen as an antitank weapon	armament in the form of a device capable of launching a rocket