I wasn't expecting agony.

I was thinking about useful measures of tortuous networks. (Tortuous networks such as the blood vessels of the brain, or channels in a Teflon-based membrane catalyst for Hydrogen fuel cells). So I used wolfram alpha to look up the word tortuosity.

Anyway, I got, among other things – and I hadn't seen this feature before in wolfram alpha results – a "synonym network":

I really wasn't expecting agony.