tumbling vs acrobatics

tumbling and acrobatics both are nouns.

Word	Noun	Adjective	Verb	Adverb
tumbling	Yes	No	No	No
acrobatics	Yes	No	No	No

As nouns, tumbling and acrobatics are synonyms defined as:

tumbling (noun)	acrobatics (noun)
the gymnastic moves of an acrobat	the gymnastic moves of an acrobat
	the performance of stunts while in flight in an aircraft