@JeremyECrawford Can non Druids learn Druidic? Also can non Rouges lean Thieves Cant? Not seeing that says they can't learn it.
— Barry Zanone (@BarryZanone) February 16, 2017
Languages—see "Languages" (PH, 123) for how to learn more of them, including the possibility of Thieves' Cant or Druidic. #DnD https://t.co/zg09M51p2u
— Jeremy Crawford (@JeremyECrawford) February 16, 2017