The noun laughter is a concrete noun, a word for something that can be felt physically and heard by others.
abstract
The word omen is an abstract noun.
There is no abstract noun form of the concrete noun leaf, a word for a physical object.
The word blindness is an abstract noun.
The noun 'ruthlessness' is an abstract noun, a word for a lack of pity or compassion; a word for a concept.
abstract
"Joke" is a concrete noun because it refers to a specific thing that can be experienced or expressed, typically through words or actions. Unlike abstract nouns, which represent ideas or concepts that cannot be physically touched, a joke can be told, written, or performed, making it tangible in a way that abstract nouns are not.
The word omen is an abstract noun.
The noun 'hunger' is a concrete noun, a word for a physical condition, a physical sensation.The noun 'hunger' is an abstract noun as a word for a desire or a need; a word for an emotion.
The word 'independence' is an abstract noun, a word for a concept.
Examples of abstract, concrete noun combinations:Statue of Liberty (statue is a concrete noun; liberty of an abstract noun)science building (science is an abstract noun; building is a concrete noun)bargain basement (bargain is an abstract noun; basement is a concrete noun)the noun 'air' is a concrete noun as a word for the substance that surrounds the earth; the noun 'air' is an abstract noun as a word for the ambiance of a place.the noun 'heart' is a concrete noun as a word for an organ of the body; the noun 'heart' is an abstract noun as a word for the essence of something.the noun 'edge' is a concrete noun as a word for the sharp side of a blade; the noun 'edge' is an abstract noun as a word for an advantage.
There is no abstract noun form of the concrete noun leaf, a word for a physical object.
Concrete noun
The noun 'noun' is an abstract noun, a word for a concept.
The homograph word for "not abstract" is concrete. In this case, "concrete" means something that is specific, tangible, or physical, as opposed to being abstract or theoretical.
The word blindness is an abstract noun.
There is no concrete noun for the abstract noun 'education'. The noun 'education' is a word for a concept; an idea.