Leak
Part of speech: noun
Definition: A crack, crevice, fissure, or hole which admits water or other fluid, or lets it escape. The entrance or escape of a fluid through a crack, fissure, or other aperture. The person through whom information, especially secret information, escapes.
Part of speech: verb
Definition: To allow fluid to escape or enter something that should be sealed. To reveal secret information.
Example sentence: Obviously I'm not prone to leak secrets left, right and centre.
Leakage
Part of speech: noun
Definition: an act of leaking, or something that leaksthe amount lost due to a leakan undesirable flow of electric current through insulationloss of retail stock, especially due to theft