obsequy vs observance

obsequy and observance both are nouns.

Word	Noun	Adjective	Verb	Adverb
obsequy	Yes	No	No	No
observance	Yes	No	No	No

As nouns, observance is a hypernym of obsequy; that is, observance is a word with a broader meaning than obsequy:

Other hypernyms of obsequy include ceremonial, ceremonial occasion, ceremony.

obsequy (noun)	observance (noun)
a ceremony at which a dead person is buried or cremated	the act of observing; taking a patient look
	conformity with law or custom or practice etc.
	the act of noticing or paying attention
	a formal event performed on a special occasion