tumble vs tumbler

tumble and tumbler both are nouns.

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

tumble (noun)	tumbler (noun)
an acrobatic feat of rolling or turning end over end	pigeon that executes backward somersaults in flight or on the ground
a sudden drop from an upright position	a glass with a flat bottom but no handle or stem; originally had a round bottom
	a movable obstruction in a lock that must be adjusted to a given position (as by a key) before the bolt can be thrown
	a gymnast who performs rolls and somersaults and twists etc.

tumble (verb)	tumbler (verb)
do gymnastics, roll and turn skillfully
fall suddenly and sharply
suffer a sudden downfall, overthrow, or defeat
put clothes in a tumbling barrel, where they are whirled about in hot air, usually with the purpose of drying
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