regalia vs paraphernalia

regalia and paraphernalia both are nouns.

Word	Noun	Adjective	Verb	Adverb
regalia	Yes	No	No	No
paraphernalia	Yes	No	No	No

As nouns, paraphernalia is a hypernym of regalia; that is, paraphernalia is a word with a broader meaning than regalia:

regalia: paraphernalia indicative of royalty (or other high office)
paraphernalia: equipment consisting of miscellaneous articles needed for a particular operation or sport etc.

Other hypernyms of regalia include appurtenance, gear.

regalia (noun)	paraphernalia (noun)
paraphernalia indicative of royalty (or other high office)	equipment consisting of miscellaneous articles needed for a particular operation or sport etc.
especially fine or decorative clothing