The spelling of the word "Arvidson" can be explained using IPA (International Phonetic Alphabet) transcription. It is pronounced as /ɑːvɪdˌsən/. The first syllable "ar" is pronounced as /ɑː/, the letter "v" as /v/, the second syllable "id" as /ɪd/, the letter "s" as /s/, and the final syllable "on" as /ən/. The spelling of this word follows typical English language rules, with the addition of the Swedish surname suffix "-son", meaning "son of". Overall, the correct spelling of "Arvidson" corresponds to its phonetic transcription.