The spelling of the word "Adros" can be explained through the International Phonetic Alphabet (IPA) phonetic transcription. The first syllable "Ad" is pronounced as /æd/ with a short vowel "a" and a voiced consonant "d". The second syllable "ros" is pronounced as /rɔs/ with a long "o" sound and a voiceless "s" at the end. Therefore, the correct spelling of the word "Adros" follows the phonetic rules of English language and accurately represents its pronunciation.