Primogenitures refer to the system of inheritance in which an eldest son in a family receives the entire inheritance of the deceased parent. However, there are other terms that can be used interchangeably with primogenitures, such as "primogenital rights," "patrilineal succession," and "birthright inheritance." These synonyms indicate the same meaning as primogenitures in different contexts. For instance, the term birthright inheritance refers to the entitlement of an eldest son to inherit the entire estate of his father, while patrilineal succession refers to the system of inheritance based on the male line of descent. Regardless of the terminology used, primogenitures and its synonyms remain a significant aspect of inheritance practices in different cultures and societies.