The following languages are mentioned or detailed in the Dune novels.
“Chakobsa, also known as the magnetic language, was a hybrid language derived from various...Chakobsa
“Galach was the official language of the Imperium, and by far the most widely spoken language in...Galach
“The term bhotani had two meanings: Bhotani, also known as Bhotani Jib, was the name given to an...Bhotani
“The whistling language was a complex and covert method of communicating, via a series of...Whistling language
“Battle language refers to any formalised method of communication used specifically for military...Battle Language