1. Not yet discovered
   - undiscovered

See also: unknown

• physical exertion
• physical fitness
• physical geography
• physical object
• physical pendulum
• physical phenomenon
• physical process
• physical property
• physical rehabilitation
• physical restoration
• physical science
• physical structure
• physical therapist
• physical therapy
• physical topology
• physical value
• physicalism
• physicality
• physically
• physicalness
• physician
• physician-assisted suicide
• physician-patient privilege
• physicist
• physicochemical