The word "Sanativeness" is used to describe the quality of being creative and inventive. Its spelling can be broken down into four syllables: sa-na-tiv-ness. The pronunciation is /sanəˈteɪtɪvnəs/, with the stress on the second syllable. The "s" in "san" is pronounced as /s/, while the "a" in "na" is pronounced as /ə/. The "tiv" in "tiveness" is pronounced as /teɪtɪv/, with the stress on the first syllable. This word is quite rare, but it can be a valuable addition to one's vocabulary.
The power of healing.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.