ancestor worship vs worship

ancestor worship and worship both are nouns.

Word	Noun	Adjective	Verb	Adverb
ancestor worship	Yes	No	No	No
worship	Yes	No	Yes	No

As nouns, worship is a hypernym of ancestor worship; that is, worship is a word with a broader meaning than ancestor worship:

As nouns, worship is a hypernym of ancestor worship; that is, worship is a word with a broader meaning than ancestor worship:

ancestor worship: the custom of venerating deceased ancestors who are considered still a part of the family and whose spirits are believed to have the power to intervene in the affairs of the living.
worship: a feeling of profound love and admiration

Other hypernyms of ancestor worship include adoration.

ancestor worship (noun)	worship (noun)
worship of ancestors	the activity of worshipping
the custom of venerating deceased ancestors who are considered still a part of the family and whose spirits are believed to have the power to intervene in the affairs of the living.	a feeling of profound love and admiration

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