There are 18 words that start with 'nema'.
| nema | nemas |
| nematic | nematode |
| nematodes | nematicide |
| nematocide | nematocyst |
| nematology | nematicidal |
| nematicides | nematocidal |
| nematocides | nematocysts |
| nematologies | nematologist |
| nematological | nematologists |
Note: These 18 words that start with 'nema' are found from the USA & Canada version of the tournament Scrabble word list.