tobacco vs baccy

tobacco and baccy both are nouns.

Word	Noun	Adjective	Verb	Adverb
tobacco	Yes	No	No	No
baccy	Yes	No	No	No

As nouns, tobacco and baccy are synonyms defined as:

tobacco and baccy: leaves of the tobacco plant dried and prepared for smoking or ingestion

tobacco (noun)	baccy (noun)
leaves of the tobacco plant dried and prepared for smoking or ingestion	leaves of the tobacco plant dried and prepared for smoking or ingestion
aromatic annual or perennial herbs and shrubs