Hospital
Departments and services.
Insects
Species of insect.
Construction
Equipment used to build.
Cleaning
Equipment and verbs.
Law & Crime
Criminals and places.
Maths
Shapes and measurements.
Fish
Species of fish and sea creatures.
Herbs & spices
Herbs and spices used in cooking.
Legumes
Beans, peas and grains.
Body +
Organs and body parts.
City +
Places and problems.