scattergun vs shotgun

scattergun and shotgun both are nouns.

Word	Noun	Adjective	Verb	Adverb
scattergun	Yes	No	No	No
shotgun	Yes	No	No	No

As nouns, scattergun and shotgun are synonyms defined as:

scattergun and shotgun: firearm that is a double-barreled smoothbore shoulder weapon for firing shot at short ranges

scattergun (noun)	shotgun (noun)
firearm that is a double-barreled smoothbore shoulder weapon for firing shot at short ranges	firearm that is a double-barreled smoothbore shoulder weapon for firing shot at short ranges