The abstract noun form of the adjective "literate" is literacy, a word for an ability to read and write; a word for a concept.The word "literate" is a concrete noun as a word for a person who can read and write; a word for people as a group who can read and write; a word for a physical person or people.Another noun form of the adjective "literate" is literature, a concrete noun as a word for written works such as books or other printed material; a word for physical things.