I’m not sure how but I stumbled across Diffen.com. It simply compares explanations or descriptions of two things. Some comparisons are quite extensive, like Sympathy vs. Empathy, Ethnicity vs. Race, or e.g. vs. i.e.1 Other comparisons are less than complete. But, I really like how it starts to tackle comparisons between complex topics, such as the Clinton vs. Trump tax plans.