For one thing, wine connoisseurs use 'corked', not 'suberous'; the latter is a botanical or scientific term, and it has to do with plant texture. 'Corked' refers to a faulty cork, but more to the adverse affect that it has on the wine. Any wine afficionado who uses 'suberous' is both pompous and in error.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.