Answer:
Two words which I find problematic in the context of an argument are:
The two words above have become ambiguous because there seems to be a strong disagreement as to how they should be defined.
Some have advocated that the words be done away with altogether. Other have elected to define it based on how much hurt or not that can be done to another person.
Others have elected to say that anything good is what gives one pleasure without hurting another person.
It becomes even more problematic to view it via the lens of religion. There are many religions and they don't seem congruent on what those two words should mean.
Cheers!