The term 'KEY WORDS' can be represented by a variety of crossword solutions. The seven letter answer is 'OSAYCANUC, ' which is an anagram of 'ACCUSONY, ' meaning to accuse someone of a crime. The nine letter answer is 'OPENSESAME, ' which is a phrase used to open a door or other entrance. The twelve letter answer is 'JOSECANIOSEE, ' which is an anagram of 'OCEANISSEJ, ' meaning to be aware of the ocean. The eighteen letter answer is 'PRESERVEDUSANATION, ' which is an anagram of 'PRESERVATION, ' meaning to keep something safe and intact. The eighteen letter answer is 'THEROCKETSREDGLARE, ' which is an anagram of 'REDELEGATORS, ' meaning to send representatives. The twenty letter answer is 'BYTHEDAWNSEARLYLIGHT, ' which is an anagram of 'LIGHTLYWEANDERS, ' meaning to move around lightly. The twenty-one letter answer is 'SIGNATUREHOLEWESTNOTE, ' which is an anagram of 'WHOLENESSEMENTOR, ' meaning to provide guidance and support. All of these answers are related to the term 'KEY WORDS, ' which refers to WORDS that are important or essential to understanding a concept.