Is this syllable stress structure in common to all Faerun tongues? Hmm do Faerun human languages all share a common root, like Indo-European or Altaic from Earth do? No, they definitely don't share a common structure or root. I was happily inventing in all directions back in the mid-1960s, and other designers have welded on partial dwarf, elf, drow, giant, draconic, and halfling (and probably more) glossaries ever since. ;} So, polyglot.

— Ed Greenwood (@TheEdVerse) September 29, 2018

But, at the time, the Realms were like they are NOW? I mean, did you have elves, and dark elves, and dwarves, and halflings…? How much it has changed after becoming part of D&D? The Realms back then had everything Tolkien had, so all of the races you list, except the D&D version of drow (I had svarts a la Alan Garner, that is, Old Norse svart alfar = dark alfar = dark elves). The Realms as a world has changed very little, but has had closer real-world…

— Ed Greenwood (@TheEdVerse) December 10, 2018

…analogue regions bolted on, and the rules and character classes of the game (changing with its editions) has affected how the Realms is presented/expressed. Plus periods of tumult to explain edition changes (e.g. all assassins dying).

— Ed Greenwood (@TheEdVerse) December 10, 2018