sausage balloon vs sausage

sausage balloon and sausage both are nouns.

Word	Noun	Adjective	Verb	Adverb
sausage balloon	Yes	No	No	No
sausage	Yes	No	No	No

As nouns, sausage balloon and sausage are synonyms defined as:

sausage balloon and sausage: a small nonrigid airship used for observation or as a barrage balloon

Other synonyms of sausage balloon include blimp.

sausage balloon (noun)	sausage (noun)
a small nonrigid airship used for observation or as a barrage balloon	a small nonrigid airship used for observation or as a barrage balloon
	highly seasoned minced meat stuffed in casings