The spelling of the word "sedulities" may seem confusing to some, but it can easily be decoded using the International Phonetic Alphabet (IPA). The IPA transcription of "sedulities" is /sɛdjuˈlɪtiz/. The "s" and "e" sounds are straightforward, followed by the stressed syllable "-dju-", pronounced like "jew", and then the "l" sound is followed by "-iti-", which is pronounced like "ih-tee". Finally, the word ends with "-es", which is pronounced like "iz". Therefore, the correct spelling in accordance with the IPA pronunciation of "sedulities" is revealed.