 Yerukala is linguistically close to South Dravidian languages such as Ravula and Irula.Lexical similarity among these languages ranges from 53% to 81%; in the case of Irula, it varies from 33% to 38%; in case of Ravula, it varies from 28% to 45%; in case of modern Tamil, it varies from 27% to 45%.Sathupati Prasanna Sree has developed a unique script for use with the language.