The word "fili" refers to a plural form of the Latin word "filius," which means "son." Synonyms for "fili" includes translations in various languages such as "sons" in English, "sons" in French, and "hijos" in Spanish. Other synonyms that can be used interchangeably with "fili" include "offspring," "male children," and "boys." These synonyms can be used in different contexts depending on the intended meaning, such as in family relationships, ancestry, or genealogy. The use of synonyms also adds variety and depth to speech or writing, allowing for more expressive and nuanced communication.