The spelling of the word "more plumbless" can be broken down using the International Phonetic Alphabet (IPA). The first syllable, "more," is pronounced as /mɔr/, with the "o" sound as in "orange" and the "r" pronounced. The second syllable, "plumb," is pronounced as /plʌm/, with the "u" sound as in "bus" and the "m" pronounced. The last syllable, "less," is pronounced as /lɛs/, with the "e" sound as in "pet" and the "s" pronounced. Together, they form the word /mɔr.plʌm.lɛs/.