Neotoma fuscipes vs trade rat

Neotoma fuscipes and trade rat both are nouns.

Word	Noun	Adjective	Verb	Adverb
Neotoma fuscipes	Yes	No	No	No
trade rat	Yes	No	No	No

As nouns, trade rat is a hypernym of Neotoma fuscipes; that is, trade rat is a word with a broader meaning than Neotoma fuscipes:

Neotoma fuscipes: host to Lyme disease tick (Ixodes pacificus) in northern California
trade rat: any of several bushy-tailed rodents of the genus Neotoma of western North America; hoards food and other objects

Other hypernyms of Neotoma fuscipes include bushytail woodrat, Neotoma cinerea, pack rat, packrat.

Neotoma fuscipes (noun)	trade rat (noun)
host to Lyme disease tick (Ixodes pacificus) in northern California	any of several bushy-tailed rodents of the genus Neotoma of western North America; hoards food and other objects