Professions: dentist, agronomist, doctor, pilot, vet, conductor, engineer, manager
Sports: volleyball, basketball, hockey, tennis, cricket, rugby, golf, football
Institutions: hospital, college, business
Technology: computer, monitor, disk, notebook, mobile, system, radio, program, I-phone
Два слова: shopping, enter не совсем понятно в какую из категорий можно отнести. Enter имеет отношение к программированию.