The word 'their' is not a noun. The word 'their' is a pronoun, a possessive adjective. The pronoun their takes the place of a plural noun (or two or more nouns) that describes something as belonging to that noun(s). Example:
The Browns live on this street. Their houseis on the corner.
Common
Common noun
Pea is a common noun, and peas is the plural...still a common noun.
A common noun.
Th word tail is a common noun because the first letter of a proper noun is capitalized.
common noun
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.
common
it is re@lly @ common noun
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.