The spelling of the word "merchandisablenesses" can be quite challenging due to its length and complex structure. To break it down, we can use the International Phonetic Alphabet (IPA) to understand the pronunciation of each component. "Merchandise" can be transcribed as /ˈmɜː.tʃən.daɪz/, followed by the suffix "-able" /ˈeɪ.bəl/ to indicate that the merchandise is capable of being sold. Next, the suffix "-ness" /nəs/ is added to denote the state or quality of being a merchandise. Finally, another suffix "-es" /ɪz/ is added to denote that there are multiple merchandisablenesses.