musclebuilding vs anaerobic exercise

musclebuilding and anaerobic exercise both are nouns.

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

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

musclebuilding and anaerobic exercise: exercise that builds muscles through tension

Other synonyms of musclebuilding include bodybuilding, muscle building.

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