Guinea worm and Nematode worm

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

Nematode worm and guinea worm are semantically related. In some cases you can use "Nematode worm" instead a noun phrase "Guinea worm".

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

Guinea worm and nematode worm are semantically related. Sometimes you can replace phrase "Guinea worm" with "Nematode worm", this phrases are similar.