machine shop vs shop

machine shop and shop both are nouns.

Word	Noun	Adjective	Verb	Adverb
machine shop	Yes	No	No	No
shop	Yes	No	Yes	No

As nouns, shop is a hypernym of machine shop; that is, shop is a word with a broader meaning than machine shop:

Other hypernyms of machine shop include workshop.

machine shop (noun)	shop (noun)
workshop where metal is cut and shaped etc., by machine tools	a course of instruction in a trade (as carpentry or electricity)
	a mercantile establishment for the retail sale of goods or services
	small workplace where handcrafts or manufacturing are done

machine shop (verb)	shop (verb)
	give away information about somebody
	do one's shopping
	shop around; not necessarily buying
	do one's shopping at; do business with; be a customer or client of