區(qū)別就是兩者都是名詞，表書店時(shí)意思是一樣的，可以互換，但具體的不同如下

bookshop中文意思是n. 書店(相對(duì)小點(diǎn))

Guanghua Bookshop as a stand-alone bookshop may face a loss, because profits from selling print books are slim and rents in central London are high.

bookstore中文意思是書店(相對(duì)大點(diǎn))

He stopped at the bookstore.