cannibalism vs practice

cannibalism and practice both are nouns.

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

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

Other hypernyms of cannibalism include pattern.

cannibalism (noun)	practice (noun)
the practice of eating the flesh of your own kind	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

cannibalism (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