Scrabble?! RICHESSE

Definitions of RICHESSE in various dictionaries:

Below is a list of fictional planets named in the novels of the Dune universe created by Frank Herbert. In the Appendix of Dune (1965), Herbert notes that there are over 13,300 worlds under Landsraad influence immediately after the Butlerian Jihad. The desert planet Arrakis is the primary planet featured in the Dune series of novels; it is the only known source of the all-important spice melange in the universe. Other notable planets introduced in the originating novel Dune are Caladan (ancestral home of House Atreides) and Giedi Prime (homeworld of House Harkonnen).Since 2009, the names of planets from the Dune novels have been adopted for the real-world nomenclature of plains (planitiae) and complexes of valleys (labyrinthi) on Saturn's moon Titan. Planet names used to date include Arrakis, Caladan and Kaitain.