The document discusses common noun suffixes in English and their meanings. It identifies suffixes that can be added to adjectives (-ness, -ity), verbs (-tion, -sion, -ment, -ance, -ence) and nouns (-ship, -hood) to form new nouns. Examples are provided for each suffix like happiness from happy and information from inform. Readers are encouraged to practice identifying word types and choosing the correct suffix to form new nouns like sadness from sad.