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)

• twatted
• twatting
• twattle
• twattled
• twattler
• twattlers
• twattles
• twattling
• twattlings
• tway
• threadfin
• threadfins
• threadier
• threadiest
• threadiness
• threadinesses
• threading
• thread-lace
• thread-laces
• threadlike
• threadmaker
• threadmakers
• thread mark
• thread marks
• Threadneedle Street