emotions, salt
I find this post particularly amusing given one of my STEM nerd* ex-roommates from Boston once argued, quite vehemently, that there were only 4-5 human emotions and he could "prove" it.
https://www.metafilter.com/182285/admiration-adoration-aesthetic-appreciation-amusement-anger
No, jerkass, YOU only had 4-5 emotions. :p
(*There's nothing at all wrong with being a STEM nerd. There was plenty wrong with being THAT kind of STEM nerd...)