Difference between Groundnut and Peanut

What is the difference between Groundnut and Peanut?

Groundnut as a noun is a climbing vine, apios americana, of eastern north america, having fragrant brownish flowers and small edible tubers. while Peanut as a noun is a legume resembling a nut, the fruit of the plant arachis hypogaea.

We hope you now know whether to use Groundnut or Peanut in your sentence.