wetter vs bedwetter

wetter and bedwetter both are nouns.

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

As nouns, wetter and bedwetter are synonyms defined as:

wetter and bedwetter: someone suffering from enuresis; someone who urinates while asleep in bed

Other synonyms of wetter include bed wetter.

wetter (noun)	bedwetter (noun)
a workman who wets the work in a manufacturing process	someone suffering from enuresis; someone who urinates while asleep in bed
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