The term 'Things to Avoid' can be summarized by three crossword solutions: TABOOS (6 letters), don'ts (5 letters), and nonos (5 letters). TABOOS are social norms that are considered to be deeply rooted in a culture, and are often seen as sacred or forbidden. Don'ts are rules or instructions that are meant to be followed, and are usually seen as a warning or caution. Nonos are things that are not allowed or accepted, and are usually seen as unacceptable or undesirable.