exercise vs exercise

exercise and exercise both are nouns.

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

exercise (noun)	exercise (noun)
the activity of exerting your muscles in various ways to keep fit	the activity of exerting your muscles in various ways to keep fit
a task performed or problem solved in order to develop skill or understanding	a task performed or problem solved in order to develop skill or understanding
systematic training by multiple repetitions	systematic training by multiple repetitions
the act of using	the act of using
an action, often used negatively and without consequences	an action, often used negatively and without consequences
(usually plural) a ceremony that involves processions and speeches	(usually plural) a ceremony that involves processions and speeches

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