stern vs excretion

stern and excretion both are nouns.

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

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

stern (adjective)	excretion (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