I've been aware of the Emacs function 'spook'[1] since the late 90s.

Here's a current output from `M-x spook` on my machine:

> Europol BATF bluebird secure Narco banners Blister agent BVD fraud SADMS UKUSA mania weapons of mass destruction Virii EDI Bin Laden

[1] https://www.gnu.org/software/emacs/manual/html_node/emacs/Ma...