shop vs chop shop

shop and chop shop both are nouns.

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

As nouns, chop shop is a hyponym of shop; that is, chop shop is a word with a more specific, narrower meaning than shop:

shop (noun)	chop shop (noun)
a course of instruction in a trade (as carpentry or electricity)	a place where stolen cars are disassembled for their parts
a mercantile establishment for the retail sale of goods or services
small workplace where handcrafts or manufacturing are done

shop (verb)	chop 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