The word quality is an abstract noun, the word 'quality' is an abstract noun; the standard of something as measured against other things of a similar kind; the degree of excellence of something; a word for a concept.
Abstract.
The noun 'simplicity' is an abstract noun, a word for a quality.
The noun 'generosity' is an abstract noun, a word for a quality of someone or something.
Yes, persistence is an abstract noun, a word for a quality or the ability to persist.
Yes, the noun 'truthfulness' is an abstract noun; a word for a quality; a word for a concept.
The abstract noun form of the adjective excellent is excellence.
Yes, the noun 'criminality' is an abstract noun; a word for a quality or state; a word for a concept,
Yes, the noun 'wildness' is an abstract noun; a word for a quality or a state of being.
The abstract noun noun form of the adjective 'monstrous' is monotonousness, a word for a quality or characteristic.
The word ingenuity is a noun, an abstract noun; a word for the quality of being clever, original, and inventive. A word for a quality is a word for a thing.
The abstract noun may be amazement (something felt) or amazedness. There is no abstract noun for the quality of being amazing.
The abstract noun form of the concrete noun 'women' is womanhood.