"Eighteenth" is an ordinal number, specifically the ordinal form of the cardinal number "eighteen." In grammar, it can function as an adjective or a noun.
Microphone is a common noun.
"Whales" is a common noun.
The common noun for the proper noun "Linda" is "woman" or "person."
The word friendship is a common, singular, abstract, compound noun.
Eighteen can be both an adjective, meaning one more than seventeen, or a noun meaning the cardinal number that is the sum of seventeen and one.
"Eighteenth" is an ordinal number, specifically the ordinal form of the cardinal number "eighteen." In grammar, it can function as an adjective or a noun.
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.