Fishmonger's is commonly known as a shop or store that sells fish and seafood. However, there are several other synonyms for the word "fishmonger's" that can be used in different contexts. For instance, one can use the term "fish market" to refer to a place where fish and seafood are sold. Another synonym for fishmonger's is "seafood counter" which is used to describe a section in a grocery store or supermarket where seafood is sold. "Fish stall" is another term used to describe a small kiosk or stand that specializes in selling fish. Other synonyms for fishmonger's include "fish shop" and "seafood deli". Overall, the word "fishmonger's" can be replaced with several other synonyms depending on the situation and context.