Compounds of 科
- (n) Rhamnaceae (plant family)
buckthorn - (n) Odontophoridae (New World quail family of birds)
- (n) graduate school of sciences
- (n) Japan Dentists Federation
- (n) State Minister in Charge of Science and Technology Policy
- (n) National Dentistry Examination
- (n) (comp) online scientific computer
- (n) Communication Science Laboratories