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Common nouns: agriculture, anorak, cloud, ice, carelessness, buffalo, team, audience, bravery, cream, citizen, cockatoo, comfort, company, eucalyptus, ecology, energy, horror, influence, knowledge, legend, caviare, cheese, family.
Proper nouns: Celt, Berlin, Robin Hood, California, Chicago, John, Mary, Macdonald's.
Abstract: carelessness, bravery, comfort, horror, influence, knowledge, ecology, energy, legend.
Concrete: anorak, ice, caviare, cheese, buffalo, agriculture, cockatoo
Material: cheese, cream, caviare, agriculture
Collective: team, buffalo, citizen, company