mistreatment vs practice

mistreatment and practice both are nouns.

Word	Noun	Adjective	Verb	Adverb
mistreatment	Yes	No	No	No
practice	Yes	No	Yes	No

As nouns, practice is a hypernym of mistreatment; that is, practice is a word with a broader meaning than mistreatment:

Other hypernyms of mistreatment include pattern.

mistreatment (noun)	practice (noun)
the practice of treating (someone or something) badly	a customary way of operation or behavior
	systematic training by multiple repetitions
	the exercise of a profession
	translating an idea into action
	knowledge of how something is usually done

mistreatment (verb)	practice (verb)
	learn by repetition
	engage in a rehearsal (of)
	carry out or practice; as of jobs and professions
	avail oneself to
	engage in or perform