mack vs mackintosh

mack and mackintosh both are nouns.

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

As nouns, mack and mackintosh are synonyms defined as:

Other synonyms of mack include mac, macintosh.

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