sinker vs sink

sinker and sink both are nouns.

Word	Noun	Adjective	Verb	Adverb
sinker	Yes	No	No	No
sink	Yes	No	Yes	No

sinker (noun)	sink (noun)
a pitch that curves downward rapidly as it approaches the plate	plumbing fixture consisting of a water basin fixed to a wall or floor and having a drainpipe
a weight that sinks (as to hold nets or fishing lines under water)	a covered cistern; waste water and sewage flow into it
a small ring-shaped friedcake	a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof
	(technology) a process that acts to absorb or remove energy or a substance from a system

sinker (verb)	sink (verb)
	fall heavily or suddenly; decline markedly
	embed deeply
	go under
	fall or descend to a lower place or level
	cause to sink
	fall or sink heavily
	appear to move downward
	descend into or as if into some soft substance or place
	pass into a specified state or condition; sink into