cockatiel vs cockateel

cockatiel and cockateel both are nouns.

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

As nouns, cockatiel and cockateel are synonyms defined as:

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

Other synonyms of cockatiel include cockatoo parrot, Nymphicus hollandicus.

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