flying bomb vs buzz bomb

flying bomb and buzz bomb both are nouns.

Word	Noun	Adjective	Verb	Adverb
flying bomb	Yes	No	No	No
buzz bomb	Yes	No	No	No

As nouns, flying bomb and buzz bomb are synonyms defined as:

flying bomb and buzz bomb: a small jet-propelled winged missile that carries a bomb

Other synonyms of flying bomb include doodlebug, robot bomb, V-1.

flying bomb (noun)	buzz bomb (noun)
a small jet-propelled winged missile that carries a bomb	a small jet-propelled winged missile that carries a bomb