absorbed attention, absorption, affusion, alluvion, alluvium, application, aspergation, aspersion, baptism, bath, bathing, bedewing, burial, cataclysm, concentration, contemplation, dampening, damping, deep study, deep thought, deluge, dewing, dip, dipping, displacement, dousing, draft, drowning, duck, ducking, dunking, engagement, engrossment, engulfment, flood, flooding, hosing, hosing down, humidification, immergence, immersion, intentness, inundation, involvement, irrigation, laving, meditation, moistening, monomania, obsession, overflow, overflowing, overrunning, preoccupation, profound thought, rapt attention, rinsing, single-mindedness, sinkage, sinking, souse, sousing, sparging, spattering, spill, spillage, splashing, splattering, spraying, sprinkling, studiousness, study, submergence, swashing, the Deluge, the Flood, washout, watering, wetting, whelming
depth, deepness, profundity, depression, hollow, pit, shaft, well, crater, gulf, bowels of the earth, botttomless pit, hell, soundings, depth of water, water, draught, submersion
, plummet, sound, probe, sounding rod, sounding line, lead, bathymetry, sonar, side-looking sonar, bathometer, deep, deep seated, profound, sunk, buried, submerged, subaqueous, submarine, subterranean, subterraneous, subterrene, underground, bottomless, soundless, fathomless, unfathomed, unfathomable, abysmal, deep as a well, bathycolpian, benthal, benthopelagic, downreaching, yawning, knee deep, ankle deep, beyond one's depth, out of one's depth, over head and ears, mark twine, mark twain.
insertion, implantation, introduction, insinuation, planting injection, inoculation, importation, infusion, forcible ingress, immersion, submersion
, submergence, dip, plunge, bath, interment, clyster, enema, glyster, lavage, lavement, inserted.