orgy vs indulging

orgy and indulging both are nouns.

Word	Noun	Adjective	Verb	Adverb
orgy	Yes	No	No	No
indulging	Yes	No	No	No

As nouns, indulging is a hypernym of orgy; that is, indulging is a word with a broader meaning than orgy:

Other hypernyms of orgy include humoring, humouring, indulgence, pampering.

orgy (noun)	indulging (noun)
secret rite in the cults of ancient Greek or Roman deities involving singing and dancing and drinking and sexual activity	the act of indulging or gratifying a desire
any act of immoderate indulgence
a wild gathering involving excessive drinking and promiscuity