packrat vs bushytail woodrat

packrat and bushytail woodrat both are nouns.

Word	Noun	Adjective	Verb	Adverb
packrat	Yes	No	No	No
bushytail woodrat	Yes	No	No	No

As nouns, packrat and bushytail woodrat are synonyms defined as:

packrat and bushytail woodrat: any of several bushy-tailed rodents of the genus Neotoma of western North America; hoards food and other objects

Other synonyms of packrat include Neotoma cinerea, pack rat, trade rat.

packrat (noun)	bushytail woodrat (noun)
any of several bushy-tailed rodents of the genus Neotoma of western North America; hoards food and other objects	any of several bushy-tailed rodents of the genus Neotoma of western North America; hoards food and other objects
a collector of miscellaneous useless objects