There are 12 words that start with 'nephri'.
| nephric | nephrism | nephrite |
| nephridia | nephrisms | nephrites |
| nephritic | nephritis | nephridial |
| nephridium | nephritides | nephritises |
Note: These 12 words that start with 'nephri' are found from the USA & Canada version of the tournament Scrabble word list.