Hydros is a Greek word that is commonly used in the field of science to describe anything that has to do with water. Some synonyms for the word hydros are aqua, H2O, water, liquid, and moisture. These synonyms can be used interchangeably when describing different aspects of water such as its chemical composition, physical properties, and its role in sustaining life. The various synonyms for hydros can also be used to describe different forms of water, such as steam, ice, and precipitation. Therefore, depending on the context in which the word is used, the various synonyms for hydros can add nuance and further understanding to the discussion.