incontinence vs evacuation

incontinence and evacuation both are nouns.

Word	Noun	Adjective	Verb	Adverb
incontinence	Yes	No	No	No
evacuation	Yes	No	No	No

As nouns, evacuation is a hypernym of incontinence; that is, evacuation is a word with a broader meaning than incontinence:

Other hypernyms of incontinence include elimination, excreting, excretion, voiding.

incontinence (noun)	evacuation (noun)
indiscipline with regard to sensuous pleasures	the act of removing the contents of something
involuntary urination or defecation	the act of evacuating; leaving a place in an orderly fashion; especially for protection
	the bodily process of discharging waste matter