ticker vs viscus

ticker and viscus both are nouns.

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

As nouns, viscus is a hypernym of ticker; that is, viscus is a word with a broader meaning than ticker:

ticker: the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body
viscus: a main organ that is situated inside the body

Other hypernyms of ticker include internal organ.

ticker (noun)	viscus (noun)
a character printer that automatically prints stock quotations on ticker tape	a main organ that is situated inside the body
a small portable timepiece
the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body