discharge, outward flow, efflux, effluence, haemorrhage, hemorrhage, bleeding (e.g. ink into paper)
leak of (private) information or pictures
outflow; effluence; efflux; spillage; spill; discharge; haemorrhage; hemorrhage; bleeding (e.g. of ink into paper)
outflow (of people, capital, etc.); drain (of gold, talent, etc. from a country); leak (e.g. of personal information)