The word "filles" is a French term that refers to young girls or unmarried women. In English, there are various synonyms that can be used to replace the term "filles." Some of the commonly used synonyms are young ladies, maidens, damsels, lasses, missies, and bachelorettes. These words can be used interchangeably based on the context of the sentence and the tone of the conversation. While all these words mean the same thing, each has a different connotation and may evoke different images. So, when choosing a synonym for the word "filles," it is vital to consider the intended meaning and the context in which it will be used.