Linguists David and Jessie Peterson discuss conlangs in film and TV, and the joys of adding to Chakobsa, the Fremen language, in Dune 2.

NEW YORK — Attention, word nerds: This is your bonus round, courtesy of Merriam-Webster. In addition to elevating “surreal” in 2016 to word of the year, the dictionary company on Tuesda… ...