Byzantine vs convoluted

Byzantine is a noun but convoluted is not a noun.

Word	Noun	Adjective	Verb	Adverb
Byzantine	Yes	Yes	No	No
convoluted	No	Yes	No	No

As adjectives, Byzantine and convoluted are synonyms defined as:

Byzantine and convoluted: highly complex or intricate and occasionally devious

Other synonyms of Byzantine include involved, knotty, labyrinthine, tangled, tortuous.

Byzantine (noun)	convoluted (noun)
a native or inhabitant of Byzantium or of the Byzantine Empire

Byzantine (adjective)	convoluted (adjective)
of or relating to or characteristic of the Byzantine Empire or the ancient city of Byzantium	rolled longitudinally upon itself
of or relating to the Eastern Orthodox Church or the rites performed in it	highly complex or intricate and occasionally devious
highly complex or intricate and occasionally devious