Common because it really isn't important!
The noun doll is a commonnoun, a general word for any doll of any kind.A proper noun is the name of a specific person, place, or thing. A proper noun for the common noun doll is the name of a doll such as Raggedy Ann, Barbie, Baby Stella Peach, etc.
The word elevation is a common noun.
Yes, the noun 'doll' is a common noun, a general word for any small model of a human, often a child's toy.
It is a common noun.
proper
Electricity proper noun
Th word tail is a common noun because the first letter of a proper noun is capitalized.
The word "sadness" is a common noun.
The word "rice" is a common noun.
The word "Japan" is a proper noun.
doctor is a proper
The word bicycle is a common noun.