Note for example (in British English) Wellingtons (and wellies) meaning rubber boots, from Duke of Wellington. The reverse process is usually historical and is mainly found in family names, such as Smith, Cooper, Bell, etc. As for why this happens, it is generally impossible to give an answer for the history of language.
Revolution is a common noun. If a common noun is part of a name, it becomes a proper noun. Proper nouns are the unique names of people, places, or things. Common nouns are the words for general things. Pronouns can usually replace proper and common nouns.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Olympic is a Proper noun. Proper nouns are the unique names of people, places, or things. Common nouns are words for general things. Pronouns replace proper and common nouns.
Robin is a proper noun when it is a name, but common when it is the bird. Proper nouns are the unique names of people, places, or things. Common nouns are the words for general things. If a common noun is part of a name, it becomes a proper noun. Pronouns always replace proper and common nouns.
It is a common noun. Proper nouns are names of nouns. Like Chicago, Mark, etc..
probaly there is a name, ex: frank, and someone elses name is frank, then that is a common and proper noun
A proper noun is the name of a specific person, place, or thing. Common nouns may be capitalized only at the beginning of a sentence, but that does not make them proper nouns, it just makes them capitalized common nouns.
The common noun is person; the proper nouns are Spaniard and Spain.
Proper nouns are the unique names of people, places, or things. Common nouns are the words for general things. Pronouns always replace proper and common nouns.
The common nouns are: capital and state.The proper nouns are: Texas and Austin.
common
Revolution is a common noun. If a common noun is part of a name, it becomes a proper noun. Proper nouns are the unique names of people, places, or things. Common nouns are the words for general things. Pronouns can usually replace proper and common nouns.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Proper nouns are the unique names of people, places, or things. Common nouns are the words for general things.
Proper noun
Two kinds of nouns are common or proper, singular or plural.
Proper Nouns: Used to define the specific name of a noun. Common Nouns: The general form of nouns.