If you're looking for other expressions to describe "hashhouses," there are several options to choose from. For example, words like "greasy spoons," "diners," and "cafeterias" can all be used interchangeably with hashhouses, depending on the context. "Greasy spoons" often conveys a sense of old-fashioned charm and simplicity, while "diners" are often associated with casual dining experiences. "Cafeterias" tend to connote a more institutional or corporate vibe, often associated with workplace or college dining halls. Each term carries its own connotations and associations, so it's important to choose the right synonym to match the tone and message of your writing.