A common noun refers to a word that names people, places, things, or ideas. They are not the names of a single person, place or thing.
A common noun begins with a lowercase letter unless it is at the beginning of a sentence.
These are the examples of common nouns based on categories:-
· woman, girl, clerk, mother, grandfather, child, person, teacher, student
· chicken, dog, fish, tiger, elephant
· pencil, desk, fan, computer
· school, town, building, stall