In realizational theories of morphology, different opinions exist on the relationship between phonology and Vocabulary Insertion. On the one hand, there are separational theories like Distributed Morphology (Halle & Marantz 1993), which assume that Vocabulary Insertion does not interact with the phonological component of the grammar. These theories predict that the properties of a language's regular phonology never play a role when vocabulary items (VIs) are inserted. The opposite view is held

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... y integrational theories as, for instance, proposed in Wolf (2008). These theories assume that the general phonology of a language can influence Vocabulary Insertion. Based on adjectival agreement in the language Vata, I propose an integrational model that assumes that Vocabulary Insertion applies in an Optimality-Theoretic (Prince & Smolensky 1993) phonology, where regular phonological constraints are active. I propose that the phonology consists of two levels: one level where VIs are inserted and one level for regular phonology.