parakeet vs parrot

parakeet and parrot both are nouns.

Word	Noun	Adjective	Verb	Adverb
parakeet	Yes	No	No	No
parrot	Yes	No	Yes	No

As nouns, parrot is a hypernym of parakeet; that is, parrot is a word with a broader meaning than parakeet:

parakeet: any of numerous small slender long-tailed parrots
parrot: usually brightly colored zygodactyl tropical birds with short hooked beaks and the ability to mimic sounds

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

parakeet (verb)	parrot (verb)
	repeat mindlessly