mack vs macintosh

mack and macintosh both are nouns.

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

As nouns, mack and macintosh are synonyms defined as:

Other synonyms of mack include mac, mackintosh.

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