Difference between Submergence and Submersion

What is the difference between Submergence and Submersion?

Submergence as a noun is the act of submerging or the state of being submerged; submersion while Submersion as a noun is the act of submerging, or the state of being submerged; immersion

We hope you now know whether to use Submergence or Submersion in your sentence.