grass parakeet vs shell parakeet

grass parakeet and shell parakeet both are nouns.

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

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

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

Other synonyms of grass parakeet include budgereegah, budgerigar, budgerygah, budgie, lovebird, Melopsittacus undulatus.

grass parakeet (noun)	shell 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