The spelling of "most decuple" is influenced by its pronunciation. In IPA phonetic transcription, the word is pronounced as /moʊst ˈdɛkjʊpəl/, with the stress on the second syllable. "Most" is a common English word meaning "the greatest in amount or degree" while "decuple" means "ten times as much or as many." Therefore, "most decuple" would mean the greatest multiple of ten. The spelling of the word reflects its pronunciation, making it easier for speakers of English to understand its meaning.