Mustela putorius vs fitch

Mustela putorius and fitch both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mustela putorius	Yes	No	No	No
fitch	Yes	No	No	No

As nouns, Mustela putorius and fitch are synonyms defined as:

Mustela putorius and fitch: dark brown mustelid of woodlands of Eurasia that gives off an unpleasant odor when threatened

Other synonyms of Mustela putorius include foulmart, foumart, polecat.

Mustela putorius (noun)	fitch (noun)
dark brown mustelid of woodlands of Eurasia that gives off an unpleasant odor when threatened	dark brown mustelid of woodlands of Eurasia that gives off an unpleasant odor when threatened