doodlebug vs flying bomb

doodlebug and flying bomb both are nouns.

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

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

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

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

doodlebug (noun)	flying 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