Nymphicus hollandicus vs cockateel

Nymphicus hollandicus and cockateel both are nouns.

Word	Noun	Adjective	Verb	Adverb
Nymphicus hollandicus	Yes	No	No	No
cockateel	Yes	No	No	No

As nouns, Nymphicus hollandicus and cockateel are synonyms defined as:

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

Other synonyms of Nymphicus hollandicus include cockatiel, cockatoo parrot.

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