nuptials vs hymeneals

nuptials and hymeneals both are nouns.

Word	Noun	Adjective	Verb	Adverb
nuptials	Yes	No	No	No
hymeneals	Yes	No	No	No

As nouns, nuptials and hymeneals are synonyms defined as:

nuptials and hymeneals: the social event at which the ceremony of marriage is performed

Other synonyms of nuptials include wedding, wedding ceremony.

nuptials (noun)	hymeneals (noun)
the social event at which the ceremony of marriage is performed	the social event at which the ceremony of marriage is performed