cockateel vs cockatiel

cockateel and cockatiel both are nouns.

Word	Noun	Adjective	Verb	Adverb
cockateel	Yes	No	No	No
cockatiel	Yes	No	No	No

As nouns, cockateel and cockatiel are synonyms defined as:

cockateel and cockatiel: small grey Australian parrot with a yellow crested head

Other synonyms of cockateel include cockatoo parrot, Nymphicus hollandicus.

cockateel (noun)	cockatiel (noun)
small grey Australian parrot with a yellow crested head	small grey Australian parrot with a yellow crested head