The following languages are mentioned or detailed in the Dune novels.
“Battle language refers to any formalised method of communication used specifically for military...Battle Language
“Galach was the official language of the Imperium, and by far the most widely spoken language in...Galach
“Chakobsa, also known as the magnetic language, was a hybrid language derived from various...Chakobsa
“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