wetter vs urinator

wetter and urinator both are nouns.

Word	Noun	Adjective	Verb	Adverb
wetter	Yes	No	No	No
urinator	Yes	No	No	No

As nouns, urinator is a hypernym of wetter; that is, urinator is a word with a broader meaning than wetter:

wetter: someone suffering from enuresis; someone who urinates while asleep in bed
urinator: a person who urinates

Other hypernyms of wetter include pisser.

wetter (noun)	urinator (noun)
a workman who wets the work in a manufacturing process	a person who urinates
someone suffering from enuresis; someone who urinates while asleep in bed
a chemical agent capable of reducing the surface tension of a liquid in which it is dissolved