Noun

(en noun)

The act or process of sinking.

I witnessed the sinking of my ship from the shore.

* 1857 , Pamphlets on Biology: Kofoid collection

We must endeavour to realize a succession of gradual sinkings or depressions into deep water, alternating with gradual emergings into shallows, and eventually a gradual continued lifting of the whole district

Noun

The act of inundating, or the state of being inundated; an overflow; a flood; a rising and spreading of water over grounds.

(metaphorical ) An overspreading of any kind; overflowing or superfluous abundance; a flood; a great influx; as, an inundation of tourists.

{{quote-Fanny Hill, part=4 , But he did not long abuse my patience, for the objects before him had now put him by all his, and, coming out with that formidable machine of his, he lets the fury loose, and pointing it directly to the pouting-lipt mouth, that bid him sweet defiance in dumb-shew, squeezes in the head, and, driving with refreshed rage, breaks in, and plugs up the whole passage of that soft pleasure-conduit, where he makes all shake again, and put, once more, all within me into such an uproar, as nothing could still but a fresh inundation from the very engine of those flames, as well as from all the springs with which nature floats that reservoir of joy, when risen to its flood-mark.}}