shop at vs buy at

shop at and buy at both are verbs.

Word	Noun	Adjective	Verb	Adverb
shop at	No	No	Yes	No
buy at	No	No	Yes	No

As verbs, shop at and buy at are synonyms defined as:

shop at and buy at: do one's shopping at; do business with; be a customer or client of

Other synonyms of shop at include frequent, patronise, patronize, shop, sponsor.

shop at (verb)	buy at (verb)
do one's shopping at; do business with; be a customer or client of	do one's shopping at; do business with; be a customer or client of