bed-wetting vs enuresis

bed-wetting and enuresis both are nouns.

Word	Noun	Adjective	Verb	Adverb
bed-wetting	Yes	No	No	No
enuresis	Yes	No	No	No

As nouns, enuresis is a hypernym of bed-wetting; that is, enuresis is a word with a broader meaning than bed-wetting:

bed-wetting: enuresis during sleep; especially common in children (who usually outgrow it)
enuresis: inability to control the flow of urine and involuntary urination

Other hypernyms of bed-wetting include urinary incontinence.

bed-wetting (noun)	enuresis (noun)
enuresis during sleep; especially common in children (who usually outgrow it)	inability to control the flow of urine and involuntary urination