doodlebug vs buzz bomb

doodlebug and buzz bomb both are nouns.

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

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

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

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

doodlebug (noun)	buzz bomb (noun)
the larva of any of several insects	a small jet-propelled winged missile that carries a bomb
a small jet-propelled winged missile that carries a bomb
a small motor vehicle