array vs regalia

array and regalia both are nouns.

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

As nouns, array and regalia are synonyms defined as:

Other synonyms of array include raiment.

array (noun)	regalia (noun)
an arrangement of aerials spaced to give desired directional characteristics	paraphernalia indicative of royalty (or other high office)
especially fine or decorative clothing	especially fine or decorative clothing
an impressive display
an orderly arrangement

array (verb)	regalia (verb)
align oneself with a group or a way of thinking
lay out orderly or logically in a line or as if in a line