Thustic has two major dialect groupes: Western Thustic (Werstländiskj) and Eastern Thustic (Ústländiskj), which differ mostly in pronunciation and vocabulary. * e.g. dst. ou ('eye') in W.Th. is oy (/oʏ̯/) and in E.Th. is öu (/œʊ̯/). (phon.); * e.g. dst. männ ('men') in W.Th. is minn and in E.Th. is männ. (phon.); * e.g. the word for 'bed' in W.Th. is bedd, in E.Th. it is legin. (lex.); * e.g. bord in W.Th. means 'shelf', while in E.Th. it means 'table'. (sem.).