The spelling of the word "out modes" follows the rules of English phonetics. The first syllable "out" is pronounced as /aut/, with a long vowel sound. The second syllable "modes" is pronounced as /moʊdz/, with a diphthong of /oʊ/. The word "out modes" refers to something that is no longer fashionable or current. Using proper pronunciation and spelling is important for effective communication and understanding.