Doesn't sound plausible to me. It does seem arbitrary more than related to the sound. There is der Titel and der Tisch, but die Tinte and die Tasche, das Tier b

Doesn't sound plausible to me. It does seem arbitrary more than related to the sound. There is der Titel and der Tisch, but die Tinte and die Tasche, das Tier but die Tür, etc. ETA: Having said that, certain endings strongly indicate a specific gender, e.g. for masculine: -or, -ling, -ner, -smus, -er, -ich, -ist, -ant, and -us. See e.g. here: https://grammar.collinsdictionary.com/german-easy-learning/how-do-you-work-out-the-gender-of-a-german-noun https://grammar.collinsdictionary.com/german-easy-learning/h...