Are there any statistics on how similar any two languages are? For a whole language (lexical and structural) or maybe just a comparison of two dictionaries (vocabulary)?

  • Largely related: linguistics.stackexchange.com/q/3006/1009 Commented Jan 15, 2019 at 17:33
  • The problem is that "similar" is not well-defined. There are methods of comparing phonologies and morphosyntactic features, but "similarity" is perceptual, and not something that can be measured exactly unless it's given an operational definition.
    – jlawler
    Commented Jan 15, 2019 at 21:48


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