kinship

kinship
n [U]
1 blood relationship 血缘关系; 亲属关系
    claim kinship with sb 声称与某人有血缘关系.
2 (fig 比喻) close sympathy or similarity of character 深切的同情; 性格的相似
    Even after meeting only once, they felt a kinship. 他们虽然只见了一面, 但已是一见如故了.

牛津英汉双解词典