er 
(ûr)
(ûr)interj.
Used to express hesitation or uncertainty.
- Cardin
- cardinal
- cardinalate
- cardinal flower
- cardinal number
- cardinal point
- cardinalship
- cardinal virtue
- cardio
- cardio-
- cardioacceleration
- cardioaccelerator
- cardiogenic
- cardiogram
- cardiograph
- cardiography
- cardioid
- cardiolipin
- cardiological
- cardiologist
- cardiology
- somniferous
- somniferously
- somnific
- somniloquist