infiltration Synonyms

percolation interposure osmosis osmotic passage penetration permeation pervasion piercing onslaught offensive maceration introgression intrusion invasion irruption leaching leak leakage lixiviation raid reconnaissance transudation trespass sorption chemisorption coup de main entrenchment undercover work piercings transfusion swillings suffusion sarcocarp saturation seepage soakage sortie spargefaction spying subsumption penetrations interposition access entrance entry espionage exosmosis filtration foray