Possible Clues:

• Words made by rearranging the letters of others
• Bad credit with debit card makes these
• Words made from letters of other words
• A hint for the 'life insurance' options in this puzzle
• Chesty and scythe, e.g.
• Word jumbles
• Word games
• Rome and more, e.g
• Word jumbles much favoured by crossword setters
• Theme of the puzzle