bliss vs elation

bliss and elation both are nouns.

Word	Noun	Adjective	Verb	Adverb
bliss	Yes	No	No	No
elation	Yes	No	No	No

As nouns, elation is a hypernym of bliss; that is, elation is a word with a broader meaning than bliss:

bliss: a state of extreme happiness
elation: an exhilarating psychological state of pride and optimism; an absence of depression

bliss (noun)	elation (noun)
a state of extreme happiness	a feeling of joy and pride
	an exhilarating psychological state of pride and optimism; an absence of depression