rehearsal vs practice

rehearsal and practice both are nouns.

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

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

rehearsal: (psychology) a form of practice; repetition of information (silently or aloud) in order to keep it in short-term memory
practice: systematic training by multiple repetitions

Other hypernyms of rehearsal include drill, exercise, practice session, recitation.

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

rehearsal: a practice session in preparation for a public performance (as of a play or speech or concert)
practice: systematic training by multiple repetitions

Other hypernyms of rehearsal include drill, exercise, practice session, recitation.

rehearsal (noun)	practice (noun)
(psychology) a form of practice; repetition of information (silently or aloud) in order to keep it in short-term memory	a customary way of operation or behavior
a practice session in preparation for a public performance (as of a play or speech or concert)	systematic training by multiple repetitions
	the exercise of a profession
	translating an idea into action
	knowledge of how something is usually done

rehearsal (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