practice vs pursue

practice is a noun but pursue is not a noun.

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

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

Other hypernyms of practice include engage, prosecute.

practice (noun)	pursue (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

practice (verb)	pursue (verb)
learn by repetition	go in search of or hunt for
engage in a rehearsal (of)	follow in or as if in pursuit
carry out or practice; as of jobs and professions	carry out or participate in an activity; be involved in
avail oneself to	carry further or advance
engage in or perform