The crossword solution for the term 'Town Name Suffix' is BORO, which is a four-letter suffix commonly used in the United States. It is derived from the Spanish word 'BARRIO, ' meaning district or neighborhood. The suffix is often used to denote a borough or township within a larger city or county. It is also used to distinguish between two towns with the same name. For example, the town of Smithville may have two boroughs, Smithville Boro and Smithville Boro East.