musquash vs Ondatra zibethica

musquash and Ondatra zibethica both are nouns.

Word	Noun	Adjective	Verb	Adverb
musquash	Yes	No	No	No
Ondatra zibethica	Yes	No	No	No

As nouns, musquash and Ondatra zibethica are synonyms defined as:

musquash and Ondatra zibethica: beaver-like aquatic rodent of North America with dark glossy brown fur

Other synonyms of musquash include muskrat.

musquash (noun)	Ondatra zibethica (noun)
beaver-like aquatic rodent of North America with dark glossy brown fur	beaver-like aquatic rodent of North America with dark glossy brown fur