The spelling of the word "McGonigle" can be explained using the International Phonetic Alphabet (IPA) phonetic transcription. The first syllable of the word, "Mc," is pronounced as /mæk/ with the "c" representing the voiceless velar stop sound. The second syllable "Go" is pronounced as /ɡoʊ/ with the "o" representing the vowel sound. The final syllable "nigle" is pronounced as /ˈnɪɡəl/ with the "g" representing the voiced velar stop sound. Therefore, the spelling of the word "McGonigle" reflects the pronunciation of each syllable as determined by the IPA.