vendor vs marketer

vendor and marketer both are nouns.

Word	Noun	Adjective	Verb	Adverb
vendor	Yes	No	No	No
marketer	Yes	No	No	No

As nouns, vendor and marketer are synonyms defined as:

vendor and marketer: someone who promotes or exchanges goods or services for money

Other synonyms of vendor include seller, trafficker, vender.

vendor (noun)	marketer (noun)
someone who promotes or exchanges goods or services for money	someone who promotes or exchanges goods or services for money