constipation vs excretion

constipation and excretion both are nouns.

Word	Noun	Adjective	Verb	Adverb
constipation	Yes	No	No	No
excretion	Yes	No	No	No

constipation (noun)	excretion (noun)
the act of making something futile and useless (as by routine)	the bodily process of discharging waste matter
irregular and infrequent or difficult evacuation of the bowels; can be a symptom of intestinal obstruction or diverticulitis	waste matter (as urine or sweat but especially feces) discharged from the body