soft sell vs advertising

soft sell and advertising both are nouns.

Word	Noun	Adjective	Verb	Adverb
soft sell	Yes	No	No	No
advertising	Yes	No	No	No

As nouns, advertising is a hypernym of soft sell; that is, advertising is a word with a broader meaning than soft sell:

Other hypernyms of soft sell include merchandising, publicizing.

soft sell (noun)	advertising (noun)
suggestive or persuasive advertising	the business of drawing public attention to goods and services
	a public promotion of some product or service