monkey dog vs pinscher

monkey dog and pinscher both are nouns.

Word	Noun	Adjective	Verb	Adverb
monkey dog	Yes	No	No	No
pinscher	Yes	No	No	No

As nouns, pinscher is a hypernym of monkey dog; that is, pinscher is a word with a broader meaning than monkey dog:

monkey dog: European breed of small dog resembling a terrier with dark wiry hair and a tufted muzzle
pinscher: any of three breeds of dogs whose ears and tail are usually cropped

monkey dog (noun)	pinscher (noun)
European breed of small dog resembling a terrier with dark wiry hair and a tufted muzzle	any of three breeds of dogs whose ears and tail are usually cropped