parrot vs popinjay

parrot and popinjay both are nouns.

As nouns, popinjay is a hyponym of parrot; that is, popinjay is a word with a more specific, narrower meaning than parrot:

parrot: usually brightly colored zygodactyl tropical birds with short hooked beaks and the ability to mimic sounds
popinjay: an archaic term for a parrot

Other hyponyms of parrot include poll, poll parrot, Psittacus erithacus, African gray, African grey, amazon, macaw, Nestor notabilis, kea, cockatoo, Nymphicus hollandicus, cockateel, cockatiel, cockatoo parrot, lovebird, lory, parakeet, paraquet, paroquet, parrakeet, parroket, parroquet.

parrot (noun)	popinjay (noun)
usually brightly colored zygodactyl tropical birds with short hooked beaks and the ability to mimic sounds	a vain and talkative person (chatters like a parrot)
a copycat who does not understand the words or acts being imitated	an archaic term for a parrot

parrot (verb)	popinjay (verb)
repeat mindlessly