1. Three times
   "I called you thrice last night"

Encyclopedia: Thrice

• cell nucleus
• cell organ
• cell organelle
• cell theory
• cell wall
• cell-free
• cell-like
• cell-mediated immune response
• cella
• cellar
• cellarage
• cellaret
• cellblock
• celled
• Cellini
• cellist
• cellmate
• cello
• cellophane
• cellphone
• cellular
• cellular division
• cellular inclusion
• cellular phone
• cellular respiration