excretion vs stern

excretion and stern both are nouns.

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

excretion (noun)	stern (noun)
the bodily process of discharging waste matter	the rear part of a ship
waste matter (as urine or sweat but especially feces) discharged from the body	the fleshy part of the human body that you sit on

excretion (adjective)	stern (adjective)
	severe and unremitting in making demands
	not to be placated or appeased or moved by entreaty
	of a stern or strict bearing or demeanor; forbidding in aspect
	severely simple