The spelling of the word "more testatory" follows the traditional English spelling rules. It is pronounced /mɔːr ˈtɛstətɔːri/, with the stress on the second syllable. The word is derived from the Latin word testis, which means witness. It refers to something that is related to or involves a legal testament or testimony. The word "more" is added to provide a comparative sense, meaning that something is even more testatory than another thing. Overall, the spelling of "more testatory" is straightforward and easy to remember.