| Share | Phrase |
| 31.12% | ammonia dissociator |
| 26.35% | catalytic [physical/chemical] dissociator |
| 22.50% | auxiliary [importance] dissociator |
| 7.07% | dissociator heat |
| 5.14% | primary [numeric] dissociator |
| 5.02% | fuel dissociator |
| 2.77% | allow dissociator [perform operation] |