Natural action and Synergism

Natural action noun - A process existing in or produced by nature (rather than by the intent of human beings).

Synergism and natural action are semantically related. In some cases you can replace term "Synergism" with "Natural action", this terms are similar.

Synergism noun - The working together of two things (muscles or drugs for example) to produce an effect greater than the sum of their individual effects.

Natural action and synergism are semantically related. Sometimes you can use "Natural action" instead a noun "Synergism".