How to eat Corm
You cannot eat corm, because it already ate you.
Sucks to be you, I guess.
Because corm are edible vacuum cleaners.
How to get corm
But how do they differ?
Corn are inedible vacuum cleaners, that's how. They must be grown with care, because they are even more vicious and will suck up anyone who comes near. Corm, by contrast, can be fed with other food, putting them to rest. Until they suck up your house in the middle of the night.