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

Encyclopedia: Thrice

• ribonuclease
• ribonucleic acid
• ribonucleinase
• ribose
• ribosome
• ribwort
• Ricardo
• rice
• rice beer
• rice paddy
• rice paper
• rice rat
• rice weevil
• rice-grain fritillary
• ricebird
• ricegrass
• ricer
• rich
• rich man
• genus Heliothis
• genus Helipterum
• genus Helix
• genus Helleborus
• genus Helminthostachys
• genus Heloderma