The spelling of the word "Joahanah" can be explained through the International Phonetic Alphabet (IPA). Firstly, the "J" sound is represented by the phoneme /dʒ/, followed by the vowel sound /oʊ/ and the consonant cluster /h/ followed by the vowel sound /æ/. Lastly, the second consonant cluster is composed of /n/ and /ə/, representing the schwa sound. Overall, the spelling of "Joahanah" accurately reflects the sounds in the word using the IPA transcription.