The word "more purportless" is actually not a commonly used word in the English language. However, if we break it down phonetically using the International Phonetic Alphabet (IPA), the spelling would be /mɔr ˈpɜːrpərtləs/. The first syllable "mor" is pronounced like "more", the second syllable "pur" is pronounced like "per", and the third syllable "tless" is pronounced like "t-ləs". Overall, the pronunciation can be a bit tricky, but with practice, it can be mastered.