The spelling of the word "cooperman" can be explained using the International Phonetic Alphabet (IPA). The first syllable is pronounced as "kuh" with a short "u" sound, followed by "puh" for the second syllable with a short "u" again. The third syllable is pronounced as "muhn" with a schwa sound, and the ending syllable is "uhn" with a short "u". Overall, the spelling of cooperman is simply structured phonetically, making it easy to spell and pronounce.