parrot vs parakeet

parrot and parakeet both are nouns.

As nouns, parakeet is a hyponym of parrot; that is, parakeet 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
parakeet: any of numerous small slender long-tailed parrots

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, lovebird, lory, paraquet, paroquet, parrakeet, parroket, parroquet.

parrot (noun)	parakeet (noun)
usually brightly colored zygodactyl tropical birds with short hooked beaks and the ability to mimic sounds	any of numerous small slender long-tailed parrots
a copycat who does not understand the words or acts being imitated

parrot (verb)	parakeet (verb)
repeat mindlessly