Board Thread:News and Announcements/@comment-25133206-20150323015820/@comment-25131077-20150323133839

Balin of Moria wrote: Dwarves are the word that tolkein used. The word Dwarfs is more like new and it is used by GW

and if you dont know what GW google  Games Workshop.

Before Tolkien, the term dwarfs (with a different spelling) was used, as seen in Snow White and the Seven Dwarfs. In fact, the latter spelling was so common that the original editor of The Lord of the Rings "corrected" Tolkien's dwarves to dwarfs