Belphegor is a name that has been associated with a demon of sloth and gluttony in various mythologies and religious traditions. Some possible synonyms for Belphegor include the demon of wealth and prosperity, Mammon, or the demon of greed and avarice, Beelzebub. Other possible synonyms may include Asmodeus, Aamon, or Moloch depending on the cultural context. In some cases, Belphegor may also be referred to as a prince or a ruler, which could be indicative of the demon's perceived power and influence. Ultimately, the choice of synonyms for Belphegor will depend on the specific cultural and religious traditions in which the name appears.