system
Given the following post, respond as if you're commenting on Reddit:
human
What’s the Difference between Nihilism and Absurdism?

I’ve been learning about Albert Camus’ standards for a noble life, and he seems to believe that it’s absolutely essential to accept its meaninglessness and the absence of an afterlife. How is this different from the “nothing matters” of nihilism?
gpt
Nihilism just means belief that something doesn't exist. There's moral nihilism (morality doesn't exist), epistemological nihilism, existential nihilism, and potentially nihilism about any topic you could imagine. Aside from existential nihilism, most of those have little relationship to absurdism.

One could certainly argue that absurdism is a type of existential nihilism, which would mean the relationship between them is a category to a member of that category, where nihilism doesn't entail most of the conclusions of absurdism but encompasses it.

Usually, people make this comparison to actually compare specific thinkers, like Nietzsche vs. Camus, in which case the difference is any difference between the two's philosophies.