The correct spelling for the word "most annotative" is /məʊst ˈænəteɪtɪv/. The IPA phonetic transcription shows that the first syllable is pronounced with a long "o" sound, followed by a schwa sound. The second syllable is pronounced with a short "a" sound, and the third syllable has a long "a" sound. The final syllable has a short "i" sound and ends with a "v" sound. This word means highly descriptive or explanatory, and it is often used in the context of writing or literature.