exercise vs get the hang

exercise is a noun but get the hang is not a noun.

Word	Noun	Adjective	Verb	Adverb
exercise	Yes	No	Yes	No
get the hang	No	No	Yes	No

exercise (noun)	get the hang (noun)
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
systematic training by multiple repetitions
the act of using
an action, often used negatively and without consequences
(usually plural) a ceremony that involves processions and speeches

exercise (verb)	get the hang (verb)
do physical exercise	be or become completely proficient or skilled in
give a workout to
learn by repetition
put to use
carry out or practice; as of jobs and professions