The document discusses how to form nouns from adjectives by adding suffixes like "-ity". It provides examples of adjectives ending in "e", "ive", "nal", "al", "ary", "ic", "ous", and "ble" and the nouns formed by adding "-ity". Exercises are included to practice adding the "-ity" suffix to form nouns from given adjectives and using some of the adjectives in sentences.