Romansh language the most comprehensive collection of Romansh words, which can also be used in the idioms with the necessary phonetic shifts. The signatories of "Pro Rumantsch" stress that Romansh needs both the idioms and Rumantsch Grischun if it is to improve its chances in today's communication society. In Switzerland, official language use is governed by the "territorial principle": Cantonal law determines which of the four national languages enjoys official status in which part of the territory. Only the federal administration is officially quadrilingual. Romansh is an official language at the federal level, one of the three official languages of the Canton
Romansh language Engadine, many of these Italian words fell out of usage (such as "contadin" 'farmer' instead of "paur", "nepotin" 'nephew' rather than "abiadi", "ogni" 'everyone' instead of "inmincha", "saimper" 'always' instead of "adüna", and "abbastanza" 'enough' instead of "avuonda"), while others persisted as synonyms of more traditional Ladin words (such as "tribunal" 'court' alongside "drettüra", "chapir" alongside "incleger", and "testimoni" 'witness' alongside "perdütta"). Aside from the written language, everyday Romansh was also influenced by Italian through the large number of emigrants, especially from the Engadine, to Italy, the so-called Randulin. These emigrants often returned with their Romansh speech influenced by Italian.