Anaerobic exercise and Weightlifting

Anaerobic exercise noun - Exercise that builds muscles through tension.

Weightlifting and anaerobic exercise are semantically related. In some cases you can replace term "Weightlifting" with "Anaerobic exercise", this terms are similar.

Weightlifting noun - Bodybuilding by exercise that involves lifting weights.

Anaerobic exercise and weightlifting are semantically related. Sometimes you can use "Anaerobic exercise" instead a noun "Weightlifting".