Solutions The Babylonian patron god of literacy, the rational arts, scribes and wisdom, associated with Mercury has 4 entries with similar clues

• 3-letter words
• psa1999's "house hippo" ad promoting media literacy, e.g.
• 5-letter words
• babarBabylonian sun god
• 7-letter words
• shamashBabylonian sun god
• 11-letter words
• scriptoriumMonastery room in which scribes could copy records or manuscripts