parrot vs lovebird

parrot and lovebird both are nouns.

As nouns, lovebird is a hyponym of parrot; that is, lovebird 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
lovebird: small African parrot noted for showing affection for their mates

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

parrot (noun)	lovebird (noun)
usually brightly colored zygodactyl tropical birds with short hooked beaks and the ability to mimic sounds	small Australian parakeet usually light green with black and yellow markings in the wild but bred in many colors
a copycat who does not understand the words or acts being imitated	small African parrot noted for showing affection for their mates

parrot (verb)	lovebird (verb)
repeat mindlessly