walk through vs practice

walk through is not a noun while practice is a noun.

Word	Noun	Adjective	Verb	Adverb
walk through	No	No	Yes	No
practice	Yes	No	Yes	No

As verbs, practice is a hypernym of walk through; that is, practice is a word with a broader meaning than walk through:

Other hypernyms of walk through include practise, rehearse.

walk through (noun)	practice (noun)
	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

walk through (verb)	practice (verb)
perform in a perfunctory way, as for a first rehearsal	learn by repetition
	engage in a rehearsal (of)
	carry out or practice; as of jobs and professions
	avail oneself to
	engage in or perform