Hi. I’ll be your “that guy” today. It’s “axes” pronounced “ax-eez”, not “axii”.
explanation
“Axis” is from Greek, and the general rule is that singular “-is” becomes “-ēs” in the plural, which happens to apply here. We don’t usually write the overline when it’s adopted into English, so “axes”, but with a Greek-derived pronunciation.
The rule you’re thinking of is that Latin “-ius” usually becomes “-ii”, but Latin or not, there’s no “u”, so we should avoid using that rule here.





I want to believe that this banned AI had decided that not being unkind and not hoarding wealth were good things and was starting to make convincing arguments to that effect.
I know that it probably wasn’t that, but that’s my head canon until proven otherwise.