rapture vs bliss

rapture and bliss both are nouns.

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

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

Other hypernyms of rapture include blissfulness, cloud nine, seventh heaven, walking on air.

rapture (noun)	bliss (noun)
a state of being carried away by overwhelming emotion	a state of extreme happiness
a state of elated bliss