Fricative–affricate alternations in Catalan

Abstract Catalan has a [ʒ] ~ [t͡ʃ] alternation that has traditionally been viewed as the consequence of final affrication of an underlying /ʒ/, a fortition operation, followed by general devoicing of obstruents. This interpretation has been held in classical generative rule-based approaches and also in autosegmental models, amounting either to a highly specific process or, when an attempt is made to generalize it, to wrong predictions; these shortcomings are also applicable to optimality-theoretic analyses. Following ideas in (Wheeler, Max W. 2005. The phonology of Catalan. Oxford: Oxford University Press), we propose that underlying affricates are subject to intervocalic lenition triggered by independently motivated general constraints. Sequences of a stop followed by a fricative can become affricates but cannot be affected by lenition. The interaction between affricates and gemination is also discussed.