ticker vs valve

ticker and valve both are nouns.

Word	Noun	Adjective	Verb	Adverb
ticker	Yes	No	No	No
valve	Yes	No	No	No

ticker (noun)	valve (noun)
a character printer that automatically prints stock quotations on ticker tape	one of the paired hinged shells of certain molluscs and of brachiopods
a small portable timepiece	the entire one-piece shell of a snail and certain other molluscs
the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body	control consisting of a mechanical device for controlling the flow of a fluid
	device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
	a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it