Grass parakeet and Parrakeet

Grass parakeet noun - Small Australian parakeet usually light green with black and yellow markings in the wild but bred in many colors.

Parrakeet and grass parakeet are semantically related. In some cases you can use "Parrakeet" instead a noun phrase "Grass parakeet".

Parrakeet noun - Any of numerous small slender long-tailed parrots.

Grass parakeet and parrakeet are semantically related. Sometimes you can replace phrase "Grass parakeet" with "Parrakeet", this terms are similar.