Sordo is a Spanish word that means deaf or hard of hearing. There are various synonyms for this term, including "audífono," which translates to "hearing aid." "Discapacidad auditiva" means "hearing disability," while "deficiencia auditiva" means "hearing deficiency." Another synonym is "hipoacusia," which means "hearing loss." The word "sordera" is another word that can be used to express deafness. Other terms that can be used in conjunction with "sordo" include "silencioso," which means silent, and "incomunicado," which means cut off from communication. Overall, there are several different terms in the Spanish language that can be used interchangeably with sordo depending on the context.