The correct spelling is "more nectarous" as opposed to "more nectarious". The IPA phonetic transcription for this word is /mɔː(r) ˈnɛktərəs/, which indicates that the stress is on the second syllable and the vowel sound in the first syllable is an open-o. The ending "-ous" indicates that the word is an adjective that means full of nectar or resembling nectar. It is important to pay attention to the correct spelling of words to ensure effective communication and avoid misunderstandings.