antonomasia /an-tə-no-māˈzi-ə/

1. The use of an epithet, or the name of an office or attributive, for a person's proper name (eg his lordship for an earl)
2. And conversely (eg a Napoleon for a great conqueror)

• coign of vantage
• coigns
• coil
• coiled
• coiling
• coils
• coin
• coinage
• coinages
• coin a phrase
• coin box
• coin boxes
• coincide
• coincided
• coincidence
• coincidences
• coincidencies
• coincidency
• coincident
• coincidental
• coincidentally
• coincidently
• coincides
• coinciding
• coined