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. 2022 Aug 30;13:5024. doi: 10.1038/s41467-022-32012-w

Fig. 1. A morpho-phonology problem.

Fig. 1

a Serbo-Croatian data (simplified). This language’s morphology is illustrated for masculine and feminine forms. The data motivate a morphological rule which forms the feminine form by appending /a/. b illustrates a counterexample to this analysis: the masculine, feminine forms of clear are /yasan/, /yasna/. These pronunciations are explained by Serbo-Croatian phonology: the sound /a/ is inserted between pairs of consonants at the end of words, notated a / C_C#. This rule requires that the true stem for /yasan/, /yasna/ is /yasn/. c shows further stems inferred for this data. These stems are stored in the lexicon.