The spelling of the word "most secretness" can be a bit confusing. It is pronounced /moʊst ˈsiːkrətnəs/, with the stress on the second syllable. The "-ness" suffix adds the meaning of "the state or quality of being secret", while "-est" makes it a superlative, meaning "the most secret". The spelling of "secretness" can be tricky, as it has five consonants together in the middle of the word. However, with practice and a good understanding of phonetics, it can be easily mastered.