There is no punctuation mark that shows that a word is a proper noun.
Understanding the difference between a common and a proper noun will help you recognize a proper noun even when capitalization is not used correctly.
Examples:
Person, common nouns: actor, brother, cousin, doctor, elf, farmer, grandma, housekeeper, etc.
Person, proper nouns: Morgan Freeman, Jimmy, Jenny, Dr. Harris, "The Elf on the Shelf", Alice Nelson, etc.
Place, common nouns: town, park, city, continent, island, harbor, etc.
Place, proper noun: Portland MA, Central Park NYC, Chicago IL, Asia, Easter Island, Sydney Harbor, etc.
Thing, common noun: car, house, cookie, watch, boots, museum, etc.
Thing, proper noun: Ford Focus, The White House, Oreo, Seiko Watch, Frye Boots, The Guggenheim, etc.
There is no single punctuation mark that all nouns carry.
The punctuation mark that shows possession is the apostrophe, either placed and the end of a word followed by an 's', or if the word ends in an 's', following that 's'.
A possessive noun always has an apostrophe.
No, "period" is not a proper noun. It is a common noun that refers to a length of time or a punctuation mark used in writing. Proper nouns name specific people, places, or organizations and are always capitalized, while "period" is used generically and is not capitalized unless it starts a sentence.
The apostrophe is used to show that a noun is possessive.
The word end mark is a noun. An end mark is a punctuation mark which appears at the end of a sentence.
No, it is a noun (a punctuation mark). The word is also used for a rhetorical device.
It is a common noun. Proper nouns are names of nouns. Like Chicago, Mark, etc..
Period is a noun when referring to a length of time, a punctuation mark or a cyclical flow of blood from the uterus.It is a adjective when referring to the characteristics of an historical time, for example a collection of period farming tools.
A possessive noun is a noun that shows that something in the sentence belongs to that noun.A proper noun is the name of a person, a place, a thing, or a title. A possessive proper noun is a proper noun that shows that something in the sentence belongs to it. For example:Proper noun: Abraham Lincoln, Proper Possessive noun: Abraham Lincoln's portrait.Proper noun: Chicago, Proper Possessive noun: Chicago's skyline.Proper noun: The Statue of Liberty, Proper Possessive noun: The Statue of Liberty's color.Proper noun: 'War and Peace', Proper Possessive noun: 'War and Peace's' author Leo Tolstoy.
That spelling is a proper noun, Colma, the name of a town in California near San Francisco.Some similar common nouns would becoma - a period of unconsciousness, or the solid part of a cometcomma - the punctuation mark
A possessive noun is a noun that shows that something in the sentence belongs to that noun.A proper noun is the name of a person, a place, a thing, or a title. A possessive proper noun is a proper noun that shows that something in the sentence belongs to it. For example:Proper noun: Abraham Lincoln, Proper Possessive noun: Abraham Lincoln's portrait.Proper noun: Chicago, Proper Possessive noun: Chicago's skyline.Proper noun: The Statue of Liberty, Proper Possessive noun: The Statue of Liberty's color.Proper noun: 'War and Peace', Proper Possessive noun: 'War and Peace's' author Leo Tolstoy.