kindred

他们发现彼此是远房亲戚，有着血缘关系。

They discovered they were distant ___kindred with blood ties.

我们有着相似的理念，因此一见如故。

We share ___kindred ideas, which made us feel connected immediately.

这些乐器虽然来自不同国家，但都属于同一个音乐家族。

These instruments, though from different countries, belong to the same ___kindred of musical traditions.