practice vs practise

practice is a noun but practise is not a noun.

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

As verbs, practice and practise are synonyms defined as:

Other synonyms of practice include drill, exercise.

As verbs, practice and practise are synonyms defined as:

Other synonyms of practice include rehearse.

As verbs, practice and practise are synonyms defined as:

practice and practise: carry out or practice; as of jobs and professions

Other synonyms of practice include do, exercise.

practice (noun)	practise (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)	practise (verb)
learn by repetition	learn by repetition
engage in a rehearsal (of)	engage in a rehearsal (of)
carry out or practice; as of jobs and professions	carry out or practice; as of jobs and professions
avail oneself to
engage in or perform