| Share | Phrase |
| 13.53% | salt decomposition |
| 13.24% | thermal [temperature] decomposition |
| 8.70% | decomposition point |
| 8.35% | decomposition temperature |
| 5.95% | decomposition [does] dissipate |
| 5.82% | formaldehyde decomposition |
| 4.75% | decomposition product |
| 4.52% | decomposition [does] evolve |
| 4.52% | decomposition catalyst |
| 4.19% | decomposition reaction |
| 3.58% | decomposition [does] occur |
| 3.04% | decomposition [connection] subject |
| 3.00% | decomposition heat |
| 3.00% | ensure decomposition [perform operation] |
| 2.54% | complete [certainty] decomposition |
| 1.93% | alcohol decomposition |
| 1.70% | fuel decomposition |
| 1.68% | catalytic [physical/chemical] decomposition |
| 1.43% | partial [completeness] decomposition |
| 1.20% | decomposition [does] produce |
| 0.88% | decomposition [does] generate |
| 0.85% | cause decomposition [perform operation] |
| 0.81% | prevent decomposition [perform operation] |
| 0.67% | decomposition [does] form |