1. Being where earthquake waves arrive simultaneously
   - coseismic

See also: unstable

• fraternise
• fraterniser
• fraternity
• fraternity house
• fraternization
• fraternize
• fraternizer
• fratricidal
• fratricide
• Frau
• fraud
• fraud in fact
• fraud in law
• fraud in the factum
• fraud in the inducement
• fraudster
• fraudulence
• fraudulent
• fraudulent scheme
• fraudulently
• fraught
• Fraulein
• fraxinella
• Fraxinus
• Fraxinus Americana