shop vs printing shop

shop and printing shop both are nouns.

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

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

shop (noun)	printing shop (noun)
a course of instruction in a trade (as carpentry or electricity)	a workplace where printing is done
a mercantile establishment for the retail sale of goods or services
small workplace where handcrafts or manufacturing are done

shop (verb)	printing 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