promotional material vs promotion

promotional material and promotion both are nouns.

Word	Noun	Adjective	Verb	Adverb
promotional material	Yes	No	No	No
promotion	Yes	No	No	No

As nouns, promotional material and promotion are synonyms defined as:

promotional material and promotion: a message issued in behalf of some product or cause or idea or person or institution

Other synonyms of promotional material include packaging, promo, publicity.

promotional material (noun)	promotion (noun)
a message issued in behalf of some product or cause or idea or person or institution	act of raising in rank or position
	the advancement of some enterprise
	a message issued in behalf of some product or cause or idea or person or institution
	encouragement of the progress or growth or acceptance of something