Cardiopulmonary exercise and Jump rope

Cardiopulmonary exercise noun - Exercise intended to strengthen the circulatory system.

Jump rope and cardiopulmonary exercise are semantically related. In some cases you can replace phrase "Jump rope" with "Cardiopulmonary exercise", this phrases are similar.

Jump rope noun - A child's game or a cardiopulmonary exercise in which the player jumps over a swinging rope.

Cardiopulmonary exercise and jump rope are semantically related. You can use "Cardiopulmonary exercise" instead a noun phrase "Jump rope".