Bologna sausage vs bologna

Bologna sausage and bologna both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bologna sausage	Yes	No	No	No
bologna	Yes	No	No	No

As nouns, Bologna sausage and bologna are synonyms defined as:

Bologna sausage and bologna: large smooth-textured smoked sausage of beef and veal and pork

Bologna sausage (noun)	bologna (noun)
large smooth-textured smoked sausage of beef and veal and pork	large smooth-textured smoked sausage of beef and veal and pork