The French word "Relier" has several synonyms that can be used depending on the context. One of the synonyms for Relier is "attacher," which means to tie or bind something together. Another synonym for Relier is "unir," which means to unite or join together. Additionally, "connecter" can also be used as a synonym for Relier, which means to connect or link something together. "Lier" is also often used to mean the same thing as Relier, which means to tie or bind something together. These synonyms for the word "Relier" can help to add variety and nuance to a French speaker's vocabulary.