"birthday" is considered a common noun because it refers to the anniversary of the day on which a person was born and is not specific to any particular person.
Yes, it is a noun. It means a calendar date when someone was born.
Common
Common noun
common
Pea is a common noun, and peas is the plural...still a common noun.
A common noun.
Most definitely a common noun.
Camel is a common noun.
Th word tail is a common noun because the first letter of a proper noun is capitalized.
it is re@lly @ common noun
common