mackintosh vs mac

mackintosh and mac both are nouns.

Word	Noun	Adjective	Verb	Adverb
mackintosh	Yes	No	No	No
mac	Yes	No	No	No

As nouns, mackintosh and mac are synonyms defined as:

Other synonyms of mackintosh include macintosh, mack.

mackintosh (noun)	mac (noun)
a lightweight waterproof (usually rubberized) fabric	a waterproof raincoat made of rubberized fabric
a waterproof raincoat made of rubberized fabric