anaerobic exercise vs bodybuilding

anaerobic exercise and bodybuilding both are nouns.

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

As nouns, anaerobic exercise and bodybuilding are synonyms defined as:

anaerobic exercise and bodybuilding: exercise that builds muscles through tension

Other synonyms of anaerobic exercise include muscle building, musclebuilding.

anaerobic exercise (noun)	bodybuilding (noun)
exercise that builds muscles through tension	exercise that builds muscles through tension