浸透【しんとう】
permeation (of thought, ideology, culture, etc.), infiltration (e.g. of ideas), spread, penetration (e.g. into a market), pervasion, permeation (of a liquid, etc.), soaking, percolation, osmosis
浸水【しんすい】
inundation, submersion, flood
浸る【ひたる】
to be soaked in, to be flooded, to be submerged, to be immersed in (joy, memories, alcohol, etc.), to give oneself over to, to bask in
浸食【しんしょく】
erosion, corrosion
水浸し【みずびたし】
submersion, inundation, being flooded
浸す【ひたす】
to soak, to dip, to steep, to immerse, to moisten, to wet