Stirp is a word that is seldom used, and finding synonyms for it can be quite challenging. Fortunately, there are several words that can be used to replace this term. Genealogy, lineage, ancestry, parentage, and descent are some synonyms for stirp that can be used in different contexts. Genealogy refers to the study of family history and lineage and is used to determine relationships and ancestry. Lineage denotes a direct line of descent, while parentage pertains to the identity and origin of one's parents. Descent is often used to trace the history of ancestors and their offspring in a particular family line.