The noun 'dog' is a common noun, a word for any type of dog anywhere.
A proper noun is the name of a specific person, place, thing, or a title; for example:
The word 'pet' is functioning as an adjective to describe the common noun 'dog'.
The noun in the clause 'the dog running' is dog.The noun 'dog' is a singular, common, concrete noun; a word for a type of animal; a word for a thing.
The word 'pet' is functioning as an adjective to describe the common noun 'dog'.
The word dog is a common, singular, concrete noun.
In this context, it is common.
The common noun is dog.
The word 'pet' is functioning as an adjective to describe the common noun 'dog'.
Dog is a common noun.
The noun dog is a singular, common, concrete noun; a word for a thing.
The common noun is dog.The noun 'Boo' is a proper noun, the name of the dog.
common noun
The word 'pet' is functioning as an adjective to describe the common noun 'dog'.
Dog is a common noun for other breeds of dog too.
The noun in the clause 'the dog running' is dog.The noun 'dog' is a singular, common, concrete noun; a word for a type of animal; a word for a thing.
The word 'pet' is functioning as an adjective to describe the common noun 'dog'.
It is a common noun.
dog is a noun, Fido (his name) is a proper noun