hero-worship vs worship

hero-worship is not a noun while worship is a noun.

Word	Noun	Adjective	Verb	Adverb
hero-worship	No	No	Yes	No
worship	Yes	No	Yes	No

As verbs, hero-worship and worship are synonyms defined as:

hero-worship and worship: love unquestioningly and uncritically or to excess; venerate as an idol

Other synonyms of hero-worship include idolise, idolize, revere.

hero-worship (noun)	worship (noun)
	the activity of worshipping
	a feeling of profound love and admiration

hero-worship (verb)	worship (verb)
love unquestioningly and uncritically or to excess; venerate as an idol	love unquestioningly and uncritically or to excess; venerate as an idol
	show devotion to (a deity)
	attend religious services