There are 13 words that start with 'plasma'.
| plasma | plasmas |
| plasmagel | plasmasol |
| plasmatic | plasmagels |
| plasmagene | plasmasols |
| plasmagenes | plasmalemma |
| plasmalemmas | plasmaphereses |
| plasmapheresis | |
Note: These 13 words that start with 'plasma' are found from the USA & Canada version of the tournament Scrabble word list.