muskrat vs musquash

muskrat and musquash both are nouns.

Word	Noun	Adjective	Verb	Adverb
muskrat	Yes	No	No	No
musquash	Yes	No	No	No

As nouns, muskrat and musquash are synonyms defined as:

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

Other synonyms of muskrat include Ondatra zibethica.

muskrat (noun)	musquash (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
the brown fur of a muskrat