 He thinks that the job description of minimizing suffering is completely different (Railton 2017b: 118–119). Nevertheless, Railton thinks that the two concepts might refer to the same thing in the way that water and H2O refer to the same thing despite being different concepts. That will be true if the acts that have the naturalistic property of minimizing suffering uniquely (or best) fulfill the job description associated with the normative concept rightness.