Search Result for "submergence": 
Wordnet 3.0

NOUN (1)

1. sinking until covered completely with water;
[syn: submergence, submerging, submersion, immersion]

The Collaborative International Dictionary of English v.0.48:

Submergence \Sub*mer"gence\, n. [From L. submergens, p. pr.] The act of submerging, or the state of being submerged; submersion. [1913 Webster]
WordNet (r) 3.0 (2006):

submergence n 1: sinking until covered completely with water [syn: submergence, submerging, submersion, immersion]
Moby Thesaurus II by Grady Ward, 1.0:

49 Moby Thesaurus words for "submergence": baptism, breaking water, burial, cadence, catenary, concavity, crash dive, de-escalation, debasement, decline, decurrence, degradation, demotion, depression, descent, detrusion, diminution, dip, dipping, displacement, dive, dousing, draft, droop, duck, ducking, dunking, engulfment, hauling down, hollowness, immergence, immersion, inundation, lapse, lowering, reduction, running dive, sag, sinkage, sinking, slump, souse, sousing, stationary dive, submersion, subsidence, surfacing, swag, thrusting under