shell parakeet vs budgerygah

shell parakeet and budgerygah both are nouns.

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

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

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

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

shell parakeet (noun)	budgerygah (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