practice vs employ

practice and employ both are nouns.

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

practice (noun)	employ (noun)
a customary way of operation or behavior	the state of being employed or having a job
systematic training by multiple repetitions
the exercise of a profession
translating an idea into action
knowledge of how something is usually done

practice (verb)	employ (verb)
learn by repetition	put into service; make work or employ for a particular purpose or for its inherent or natural purpose
engage in a rehearsal (of)	engage or hire for work
carry out or practice; as of jobs and professions
avail oneself to
engage in or perform