The spelling of the word "Townsley" can be explained using the International Phonetic Alphabet (IPA) phonetic transcription. The first syllable "Town" is pronounced as /taʊn/, which represents the sounds of the letters 't', 'a', 'u', and 'n'. The second syllable "sley" is pronounced as /sli/, which represents the sounds of the letters 's', 'l', and 'i'. Together, the letters in "Townsley" make up a unique sequence of sounds that create the proper pronunciation, /ˈtaʊnzli/.