budgie vs grass parakeet

budgie and grass parakeet both are nouns.

Word	Noun	Adjective	Verb	Adverb
budgie	Yes	No	No	No
grass parakeet	Yes	No	No	No

As nouns, budgie and grass parakeet are synonyms defined as:

budgie and grass parakeet: small Australian parakeet usually light green with black and yellow markings in the wild but bred in many colors

budgie (noun)	grass parakeet (noun)
small Australian parakeet usually light green with black and yellow markings in the wild but bred in many colors	small Australian parakeet usually light green with black and yellow markings in the wild but bred in many colors