The term 'less risky' can be described by four crossword solutions: SURER (5 letters), SAFER (5 letters), SANER (5 letters), and TAMER (5 letters). SURER means more certain or reliable, SAFER implies a lower risk of harm or danger, SANER suggests being more rational or sensible, and TAMER implies being more subdued or restrained. Together, these words suggest that something is less risky when it is more certain, safe, sensible, and restrained.