exercise vs practice

exercise and practice both are nouns.

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

As nouns, exercise and practice are synonyms defined as:

Other synonyms of exercise include drill, practice session, recitation.

As nouns, practice is a hyponym of exercise; that is, practice is a word with a more specific, narrower meaning than exercise:

As verbs, exercise and practice are synonyms defined as:

Other synonyms of exercise include drill, practise.

As verbs, exercise and practice are synonyms defined as:

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

Other synonyms of exercise include do, practise.

exercise (noun)	practice (noun)
the activity of exerting your muscles in various ways to keep fit	a customary way of operation or behavior
a task performed or problem solved in order to develop skill or understanding	systematic training by multiple repetitions
systematic training by multiple repetitions	the exercise of a profession
the act of using	translating an idea into action
an action, often used negatively and without consequences	knowledge of how something is usually done
(usually plural) a ceremony that involves processions and speeches

exercise (verb)	practice (verb)
do physical exercise	learn by repetition
give a workout to	engage in a rehearsal (of)
learn by repetition	carry out or practice; as of jobs and professions
put to use	avail oneself to
carry out or practice; as of jobs and professions	engage in or perform