exercise vs tumble

exercise and tumble both are nouns.

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

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

Other hyponyms of exercise include limber up, loosen up, warm up, train, strengthen, tone, tone up, press, weight-lift, weightlift.

exercise (noun)	tumble (noun)
the activity of exerting your muscles in various ways to keep fit	an acrobatic feat of rolling or turning end over end
a task performed or problem solved in order to develop skill or understanding	a sudden drop from an upright position
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)	tumble (verb)
do physical exercise	do gymnastics, roll and turn skillfully
give a workout to	fall suddenly and sharply
learn by repetition	suffer a sudden downfall, overthrow, or defeat
put to use	put clothes in a tumbling barrel, where they are whirled about in hot air, usually with the purpose of drying
carry out or practice; as of jobs and professions	understand, usually after some initial difficulty
	throw together in a confused mass
	fall down, as if collapsing
	fall apart
	roll over and over, back and forth
	cause to topple or tumble by pushing
	fly around