telecommerce vs telemarketing

telecommerce and telemarketing both are nouns.

Word	Noun	Adjective	Verb	Adverb
telecommerce	Yes	No	No	No
telemarketing	Yes	No	No	No

As nouns, telecommerce and telemarketing are synonyms defined as:

telecommerce and telemarketing: the use of the telephone as an interactive medium for promotion and sales

Other synonyms of telecommerce include teleselling.

telecommerce (noun)	telemarketing (noun)
the use of the telephone as an interactive medium for promotion and sales	the use of the telephone as an interactive medium for promotion and sales