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)

• dumbledore
• dumbledores
• dumbly
• dumbness
• dumbnesses
• dumbo
• dumbos
• green manure
• green manuring
• green men
• green monkey
• green monkey disease
• green monkeys
• greenness
• greennesses
• greenockite
• greenockites
• green paper
• green papers
• Green Party
• Greenpeace
• green pepper
• green plover
• green plovers
• green pound