| Share | Phrase |
| 23.02% | spark [does] plug |
| 6.96% | plug [location] plug |
| 6.08% | plug V-V become |
| 4.78% | plug fire [perform operation] |
| 4.49% | plug passage [perform operation] |
| 3.80% | plug end [perform operation] |
| 3.17% | plug assembly [perform operation] |
| 3.05% | plug filter [perform operation] |
| 2.86% | fluid-tightly [manner] plug |
| 2.70% | plug ADVP eventually |
| 2.58% | plug plug [perform operation] |
| 2.57% | outlet [location] plug |
| 2.54% | plug hole [perform operation] |
| 2.48% | plug orifice [perform operation] |
| 2.44% | fire [temporal] plug |
| 2.34% | plug cord [perform operation] |
| 2.29% | plug accumulation [perform operation] |
| 2.03% | plug trap [perform operation] |
| 1.98% | plug bore [perform operation] |
| 1.81% | method [does] plug |
| 1.66% | plug [does] plug |
| 1.64% | member [does] plug |
| 1.53% | number [does] plug |
| 1.42% | end [location] plug |
| 1.36% | plug opening [perform operation] |
| 1.31% | plug line [perform operation] |
| 1.25% | plug port [perform operation] |
| 1.17% | system [location] plug |
| 1.08% | plug modal can |
| 0.88% | not plug |
| 0.87% | plug pin [perform operation] |
| 0.59% | plug modal must |
| 0.40% | engine plug |
| 0.36% | plug modal may |
| 0.33% | plug modal will |