The spelling of the word "Woodhull" can be explained through the International Phonetic Alphabet (IPA) transcription. The first syllable is pronounced as /wʊd/, with the "oo" sound as in "book" and the "d" sound at the end. The second syllable is pronounced as /hʌl/, with the "u" sound like in "up" and the "l" sound at the end. Therefore, the correct spelling of this word is "Woodhull", not "Woodhall" or "Wudhull", which may be common misspellings.