Difference between Nematode and Roundworm

What is the difference between Nematode and Roundworm?

Nematode as a noun is a small invertebrate animal of the phylum nematoda. while Roundworm as a noun is an invertebrate animal of the phylum nematoda. many species of roundworms are parasites.

We hope you now know whether to use Nematode or Roundworm in your sentence.