Letters that make riskless
s, e, k, l, r, i are letters that make 'riskless'
1 possible definitions for 'riskless'
Under this definition, riskless is an adjective and has the following properties:
risk-free, unhazardous have the same meaning as 'riskless'
risklessness is a derivative of riskless.
safe is similar to riskless.