The word "in distinctnesses" contains several challenging spelling elements. First, the "in-" prefix means "not" and is pronounced /ɪn/. The root word "distinct" has the stress on the second syllable and is pronounced /dɪˈstɪŋkt/. The addition of "-ness" at the end changes the word to a noun form and is pronounced /nəs/. Finally, the "-es" at the end indicates plural and is pronounced /ɪz/. Altogether, the word is pronounced /ɪn dɪˈstɪŋktnəsɪz/.