Logy used in a sentence

Logy in a sentence as an adjective

Topology ignores such things as corners, distances, and convexity.

Which is probably just because no one likes the sound of things like Computerology or Datalogy, not because those naming those fields are any more "struggling for credibility" than those who named, say, "geology".

Crypto-logy/graphy is an art, someone has a bright idea while lacking in other dimensions; the crypto community instead of embracing this idea and helping this person to bring something excellent to the world, shoots them instead down and point to obvious flaws that can be fixed in minutes by someone experienced, while keeping the new idea intact.