1. A computer-implemented method comprising: receiving an input, the input including textual data; identifying a regional noun in the textual data; determining a user accent classification based on a context of the input; accessing a phonetic inventory stored in a database, in which multiple phonetic transcriptions are stored for each of a plurality of regional nouns, including the regional noun; executing a search of the database using the user accent classification and the regional noun as search parameters; determining a personalized phonetic transcription of the regional noun, selected from the multiple phonetic transcriptions stored for the regional noun as a search result of executing the search of the phonetic inventory stored in the database; outputting the personalized phonetic transcription; and synthesizing audio output of the textual data, based on the personalized phonetic transcription.