https://www.khanacademy.org/humanities/grammar/parts-of-speech-the-noun/types-of-nouns/v/common-and-proper-nouns 2022-11-16T04:22:43.7414897Z Common and proper nouns The difference between common and proper nouns is that common nouns refer to general things (like "a city" or "a mountain"), and proper nouns refer to specific, named things (like "Chicago" or "Mt. Kilimanjaro"). Proper nouns are always capitalized, and common nouns are only capitalized at the beginning of sentences. video https://cdn.kastatic.org/googleusercontent/WKaQjtpygVfDuBAQkMId2kn75u5RC_dh53nhF7TpRySyEskJCHmkFTE7z1mElTg7g0-7bxHIpbZEH1X-vP8jYGaZ Common and proper nouns The difference between common and proper nouns is that common nouns refer to general things (like "a city" or "a mountain"), and proper nouns refer to specific, named things (like "Chicago" or "Mt. Kilimanjaro"). Proper nouns are always capitalized, and common nouns are only capitalized at the beginning of sentences. https://cdn.kastatic.org/ka-youtube-converted/bGz1acC3Wew.mp4/bGz1acC3Wew.mp4 172 Types of nouns https://www.khanacademy.org/ela/5th-and-6th-grade-grammar/x90cef5375e9bcad6:nouns-5/x90cef5375e9bcad6:types-of-nouns-5/a/common-and-proper-nouns-5 2026-07-08T23:40:45.874044968Z Common and proper nouns Learn about common and proper nouns. article https://www.khanacademy.org/humanities/grammar/parts-of-speech-the-noun/types-of-nouns/v/concrete-and-abstract-nouns 2020-06-23T07:22:43Z Concrete and abstract nouns A concrete noun refers to a physical object in the real world, such as a dog, a ball, or an ice cream cone. An abstract noun refers to an idea or concept that does not exist in the real world and cannot be touched, like freedom, sadness, or permission. video https://cdn.kastatic.org/googleusercontent/1z8QIWdHDdXM7dAaTTonmXoA19V5uvTIutK7lHSEs60IO4USdN6EFxz7XJxLL-tWBR-4PINzDE0p0XTPttF21vAk-A Concrete and abstract nouns A concrete noun refers to a physical object in the real world, such as a dog, a ball, or an ice cream cone. An abstract noun refers to an idea or concept that does not exist in the real world and cannot be touched, like freedom, sadness, or permission. https://cdn.kastatic.org/ka-youtube-converted/3AF_rN-yN-Y.mp4/3AF_rN-yN-Y.mp4 223 Types of nouns https://www.khanacademy.org/ela/5th-and-6th-grade-grammar/x90cef5375e9bcad6:nouns-5/x90cef5375e9bcad6:types-of-nouns-5/a/concrete-and-abstract-nouns-5 2026-07-08T23:40:45.874044968Z Concrete and abstract nouns Learn about concrete and abstract nouns. article https://www.khanacademy.org/ela/5th-and-6th-grade-grammar/x90cef5375e9bcad6:nouns-5/x90cef5375e9bcad6:types-of-nouns-5/a/collective-nouns-5 2026-07-08T23:40:45.874044968Z Collective nouns Learn about collective nouns article https://www.khanacademy.org/ela/5th-and-6th-grade-grammar/x90cef5375e9bcad6:nouns-5/x90cef5375e9bcad6:types-of-nouns-5/e/types-of-nouns-5 2026-07-08T23:40:45.874044968Z Types of nouns Practice identifying and formatting nouns Heather M. Meston exercise