seepage (n.)

• absorbency
• absorbent
• absorption
• access
• admission
• adsorbent
• adsorption
• assimilation
• blotter
• chemisorption
• chemosorption
• condensation
• digestion
• distillation
• dribble
• drip
• dripping
• drop
• effusion
• engrossment
• entrance
• entree
• entry
• excretion
• extravasation
• exudation
• filtration
• import
• importation
• importing
• income
• incoming
• infiltration
• ingress
• input
• insertion
• insinuation
• intake
• interpenetration
• introduction
• intrusion
• leaching
• leakage
• ooze
• oozing
• osmosis
• penetration
• percolation
• reception
• sorption
• sponge
• straining
• sweating
• transudation
• trickle
• weep
• weeping