Synonyms for Leak (same or very similar meaning)
WordNet sense 1 (a euphemism for urination):
wetting, making water, passing water
WordNet sense 2 (the unwanted discharge of a fluid from some container):
escape, leakage, outflow
WordNet sense 3 (unauthorized (especially deliberate) disclosure of confidential information):
news leak
WordNet sense 4 (be leaked):
leak out
From the ODE community, based on WordNet
add/edit