Common noun is a non-specific name for people, places, things, events.Concrete noun refers to that can be perceived by the five senses.

Examples for Common Nouns:

1. man — any man, none in particular ( Steve could be a proper noun for man.)
2. teacher — any teacher, none in particular ( Miss Sandoval could be a proper noun for teacher.)
3. school — any school, none in particular ( University of the Philippines could be a proper noun for school.)

Examples for Concrete Nouns: (can be perceived by sense of sight, touch, hearing, smell, taste)

1. table
2. book
3. food
4. Mr. Hughes (proper noun can be concrete, too)
5. house

Examples of Abstract Nouns: (cannot be perceived by the senses)

1. dream
2. wish
3. ambition
4. love
5. friendship