Proto-Basque: *susen, *sin
Meaning: 1 right, correct 2 right(s), justice 3 oath 4 true, faithful
Bizkaian: zuzen 1
Gipuzkoan: zuzen 1, zin 3
High Navarrese: zuzen 1, 2
Low Navarrese: zuzen 1, 2, zin 3
Lapurdian: zuzen 1, 2, zin 3, 4
Zuberoan: zǘzen 1, 2, zĩn 3
Roncalese: zuzen 1
Comments: The root *sin is also found in the verb *sin-eući 'to believe' (EB sinetsi).
