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Quantifying the importance of morphomic structure, semantic values, and frequency of use in Romance stem alternations

Abstract Stem alternations in Romance have recently been argued to be regulated largely by autonomously morphological (aka morphomic) organizational principles. Here, I assess the relative contribution of morphomic structures vis à vis alternative principles, namely semantic structure, and token frequency. Results confirm the exceptional importance of autonomously morphological domains on Romance verb stem alternations; however, inherent inflectional values and token frequency also play a decisive role in the overall stem-morphological similarity of different paradigm cells.