The spelling of the word "shumway" can be explained using the International Phonetic Alphabet (IPA) phonetic transcription. The first sound is represented by the symbol "ʃ", which indicates the "sh" sound. The second sound is "ʌ" which sounds like "uh" and the final sound is "weɪ", which represents the "way" sound. Therefore, the correct spelling of the word is "shumway" with a "shuhm-way" pronunciation. It is important to use phonetic transcription to accurately convey the correct spelling and pronunciation of words.