1. Semisynthetic penicillin (trade names Principen and Polycillin and SK-Ampicillin)
   - ampicillin, Principen, Polycillin

Type of: penicillin

• Crex
• Crex crex
• cri de coeur
• crib
• crib death
• cribbage
• cribbage board
• cribriform
• Cricetidae
• Cricetus
• Cricetus cricetus
• Crichton
• crick
• cricket
• cricket ball
• cricket bat
• cricket equipment
• cricket frog
• cricket match
• cricket-bat willow
• cricketer
• cricoid
• crier
• crikey
• crime