A proper noun is the name of a specific person, place, thing, or a title. Some examples are:
· Romania · Russia · Rwanda
· Romania · Russia · Rwanda
· Romania · Russia · Rwanda
Three proper nouns that start with V:Venezuela'Valerie' by Amy WinehouseVanity Fair (magazine)
Russia, Rwanda and Romania are countries. The country names are proper nouns.
Some nouns that start with R related to 'equality' are rights, respect, republic, or representatives.
Utah
All proper nouns start with a capital letter.
radio, rapest
Examples of proper nouns that start with A are:Abraham Lincoln"Alice in Wonderland"American IdolAnchor Hocking Glass CorporationAnchorage, AlaskaAngel Soft Bath TissueArizonaAtlantic OceanAudiAustraliaAttila the HunAzerbaijan
Abstract nouns are sometimes called 'special noun', so I am using that interpretation of the term. Proper nouns are names of people, places, things, or titles. Some proper, abstract nouns that start with R and E are:Reason Magazine and Reason Online, published by the Reason FoundationRealtor Magazine, published by the National Association of Realtors'Respect' by Aretha FranklinRegal Entertainment Group, Knoxville, TN'Rear Window' (1954), Jimmy Stewart and Grace Kelly'Reefer Madness' (1938)Revelation Baptist Church, Cincinnati, OHRetribution Mine, Juab County, UT
South Dakota is a proper noun. Proper nouns are specific and unique. They always start with a capital letter. Common nouns are more general in nature.