1. (n.) A leaking; also, the quantity that enters or issues by leaking.

2. (n.) An allowance of a certain rate per cent for the leaking of casks, or waste of liquors by leaking.

ablation access admission break breakout consumption decrease decrement deliverance delivery depletion depreciation dissipation distillation drain dribble drip dripping drippings drop emergence entrance entree entry erosion escape escapism evaporation evasion exhaustion expenditure extrication flight freeing getaway import importation importing impoverishment income incoming infiltration ingoing ingress ingression input insertion insinuation intake interpenetration introduction introgression intrusion issuance issue jailbreak leak leaking liberation outlet penetration percolation prisonbreak reception release rescue riddance seepage setting-free shrinkage trickle using using up vent wastage waste wearing wearing away