Mammoth Uncensored Word List:
31 - 15 letter words starting with mu

mucosanguineous multiarticulate multibranchiate multichannelled multicurrencies multidimensions multidiscipline multidivisional multifunctional multilateralism multilateralist multilingualism multilocational multimillennial multinucleolate multiplications multipolarities multiprocessing multiprocessors multiracialisms multisegmentate multithreadings multitudinously multiwavelength murderousnesses musculocellular musculoskeletal musicalisations musicalizations musicologically musicotherapies