In 2025, I presented in Vienna (previous S&T panel on the question of section 1) a paper on the complexity of the relations between Scripture and Systematic Theology. This paper further explores these relations, focusing on developments within the Reformed tradition concerning covenant-theology. Berit and diathèkè are Biblical words. These words function within Biblical stories, about Noah and creation, about Abraham, about Israel, about David, about Jesus, and in the doctrinal exposition of the letter to the Hebrews. In the Reformed tradition, these Biblical words have been used in a dogmatic doctrine of the covenant that has been developed especially from the 16th until the 18th century. In this federal theology , a system was constructed with three covenants: the covenant of salvation, the covenant of work, and the covenant of grace. Biblical words are turned into theological concepts. Furthermore, new doctrinal plotlines are constructed, that differ from Biblical salvation historical plotlines. First, this paper investigates the differences between the Biblical use of the words berit and diathèkè in the Biblical narratives, and the doctrine of the covenant as it emerged in Reformed federal theology. Doing this, the differences of word/concept and the narrative replotting (from biblical story to doctrinal system) will come into view. Second, this paper will further analyse these differences, searching for leading theological interests and for the guiding 'synoptive, imaginative judgment' (Kelsey) about the interaction between God and humanity in the history of salvation. Thirdly, I will use this to continue my critical reflections on the relations between Scripture and theology and seek for conclusions concerning (a) an improved doctrine of the covenants and (b) an improved interaction between Biblical studies and systematic theology.