Spiles are small pipes or tubes used to control the flow of liquids. However, there exist many synonyms for the word spiles. For instance, a tap or valve is an excellent synonym for a spile since all three words refer to devices used to regulate liquid flow. Another synonym for spiles is a stopper or a bung, which is a type of seal that blocks or plugs a hole. Additionally, the word cork is used to refer to a type of stopper made from cork, as well as a metal screw or cap. So, depending on the context, any of these words can be used interchangeably with spiles.