1. A small or petty work
   - opusculum

Derived forms: opuscules

• cardinal vein
• cardinal virtue
• cardinalate
• cardinalfish
• Cardinalis cardinalis
• cardinality
• cardinalship
• cardio-
• cardiogenic shock
• cardiogram
• cardiograph
• cardiographic
• cardiography
• cardioid
• cardioid microphone
• cardiologic
• cardiologist
• cardiology
• cardiomegaly
• cardiomyopathy
• cardiopathy
• cardiopulmonary
• cardiopulmonary arrest
• cardiopulmonary exercise
• cardiopulmonary resuscitation