The spelling of the word "McGoon" is consistent with English orthography, where the "M" represents the bilabial nasal consonant /m/, followed by the voiceless velar stop /k/ represented by "c". The digraph "oo" is pronounced as the long vowel /uː/, and the final "n" represents the alveolar nasal consonant /n/. The IPA phonetic transcription for "McGoon" is /məˈɡuːn/, indicating the accent on the second syllable and the long vowel sound in the second syllable as well.