Abstract :
This research aims to describe the variations of the Rongga language in East Manggarai, Nusa Tenggara. In this study, found the words in which used by the Rongga community. They have differences and similarities in speech, but Rongga language has the same meaning with Waerana language. This occurrence because the location of the both areas is near so that vocabulary appeared based on different areas in the field lexicon. The research method used in this research is descriptive qualitative method and data collection methods using interviews with transcripts and recording techniques. This research used the theory of dialectology to describe the variation of Rongga and Waerana language. In this research, found 35 variations of lexicons Rongga and Waerana words.there are 10 word verbs, 8 word adjectives, 10 words nouns, 7 words personal pronouns. Therefore, it is very clear that geographical conditions and social dialect factors effecting language variations that develop in each region.