Dracunculus medinensis and Roundworm

Dracunculus medinensis noun - Parasitic roundworm of India and Africa that lives in the abdomen or beneath the skin of humans and other vertebrates.

Roundworm and Dracunculus medinensis are semantically related. In some cases you can use "Roundworm" instead a noun phrase "Dracunculus medinensis".

Roundworm noun - Unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic.

Dracunculus medinensis and roundworm are semantically related. Sometimes you can replace phrase "Dracunculus medinensis" with "Roundworm", this terms are similar.