The spelling of "more feverous" can be quite tricky due to the various sounds in the word. The first two letters, "mo," are pronounced with a long "o" sound. The next two letters, "re," have a short "e" sound. The following syllable, "fev," is pronounced with a short "e" sound, followed by a "v" and a long "e" sound. Lastly, the final syllable, "erous," is pronounced with a long "e" sound, a "r," and a short "u" sound. The IPA transcription for "more feverous" is /mɔr ˈfivərəs/.