| Share | Phrase |
| 13.39% | secondary [numeric] winding |
| 9.36% | secondary [numeric] air |
| 5.47% | secondary [numeric] coil |
| 5.03% | secondary [numeric] chamber |
| 4.99% | secondary [numeric] piston |
| 2.84% | secondary [numeric] passage |
| 2.46% | secondary [numeric] valve |
| 2.46% | secondary [numeric] voltage |
| 2.24% | secondary [numeric] shoe |
| 2.07% | secondary [numeric] circuit |
| 1.91% | secondary [numeric] system |
| 1.78% | secondary [numeric] means |
| 1.56% | secondary [numeric] fuel |
| 1.53% | secondary [numeric] port |
| 1.40% | secondary [numeric] side |
| 1.34% | secondary [numeric] space |
| 1.15% | secondary [numeric] injection |
| 0.95% | secondary [numeric] current |
| 0.90% | secondary [numeric] flow |
| 0.84% | secondary [numeric] cell |
| 0.77% | secondary [numeric] bobbin |
| 0.72% | secondary [numeric] zone |
| 0.70% | secondary [numeric] line |
| 0.70% | secondary [numeric] cylinder |
| 0.68% | secondary [numeric] device |
| 0.68% | secondary [numeric] supplier |
| 0.65% | secondary [numeric] gear |
| 0.64% | secondary [numeric] terminal |
| 0.61% | secondary [numeric] conduit |
| 0.56% | secondary [numeric] supply |
| 0.56% | secondary [numeric] media |
| 0.55% | secondary [numeric] signal |
| 0.55% | secondary [numeric] collision |
| 0.54% | secondary [numeric] unit |
| 0.54% | secondary [numeric] group |
| 0.52% | secondary [numeric] pipe |
| 0.50% | secondary [numeric] injector |
| 0.50% | secondary [numeric] outlet |
| 0.47% | secondary [numeric] cavity |
| 0.45% | secondary [numeric] source |
| 0.44% | secondary [numeric] combustion |
| 0.42% | secondary [numeric] pressure |
| 0.41% | secondary [numeric] assembly |
| 0.40% | secondary [numeric] section |
| 0.40% | secondary [numeric] sensor |
| 0.39% | secondary [numeric] tube |
| 0.39% | secondary [numeric] plate |
| 0.38% | secondary [numeric] switch |
| 0.38% | secondary [numeric] exchanger |
| 0.34% | secondary [numeric] inlet |
| 0.32% | secondary [numeric] portion |
| 0.31% | secondary [numeric] electrode |
| 0.31% | secondary [numeric] nozzle |
| 0.31% | secondary [numeric] tower |
| 0.31% | secondary [numeric] filter |
| 0.30% | secondary [numeric] stream |
| 0.29% | secondary [numeric] path |
| 0.29% | secondary [numeric] member |
| 0.28% | secondary [numeric] spring |
| 0.27% | secondary [numeric] pump |
| 0.27% | secondary [numeric] reservoir |
| 0.27% | secondary [numeric] tank |
| 0.25% | secondary [numeric] passageway |
| 0.23% | secondary [numeric] opening |
| 0.23% | secondary [numeric] battery |
| 0.23% | secondary [numeric] manifold |
| 0.22% | secondary [numeric] orifice |
| 0.21% | secondary [numeric] ratio |
| 0.20% | secondary [numeric] shaft |
| 0.20% | secondary [numeric] mechanism |
| 0.20% | secondary [numeric] fluid |
| 0.20% | secondary [numeric] seal |
| 0.19% | secondary [numeric] bore |
| 0.19% | secondary [numeric] end |
| 0.18% | secondary [numeric] feed |
| 0.18% | secondary [numeric] swirl |
| 0.18% | secondary [numeric] compartment |
| 0.18% | secondary [numeric] control |
| 0.17% | secondary [numeric] vortex |
| 0.17% | secondary [numeric] si |
| 0.16% | secondary [numeric] seat |
| 0.16% | secondary [numeric] resistance |
| 0.16% | secondary [numeric] arm |
| 0.16% | secondary [numeric] channel |
| 0.15% | secondary [numeric] waveform |
| 0.14% | secondary [numeric] flame |
| 0.14% | secondary [numeric] flowing |
| 0.14% | secondary [numeric] regulator |
| 0.14% | secondary [numeric] pin |
| 0.14% | secondary [numeric] amine |
| 0.14% | secondary [numeric] container |
| 0.14% | secondary [numeric] venturi |
| 0.14% | secondary [numeric] butyllithium |
| 0.14% | secondary [numeric] element |
| 0.14% | secondary [numeric] housing |
| 0.14% | secondary [numeric] output |
| 0.13% | secondary [numeric] angle |
| 0.13% | secondary [numeric] wire |
| 0.13% | secondary [numeric] amount |
| 0.13% | secondary [numeric] tap |
| 0.12% | secondary [numeric] burner |
| 0.12% | secondary [numeric] lever |
| 0.12% | secondary [numeric] microcontroller |
| 0.12% | secondary [numeric] downstream |
| 0.12% | secondary [numeric] condition |
| 0.12% | secondary [numeric] restrictor |
| 0.12% | secondary [numeric] catalyst |
| 0.12% | secondary [numeric] failure |
| 0.12% | secondary [numeric] spool |
| 0.11% | secondary [numeric] bridge |
| 0.11% | secondary [numeric] pulley |
| 0.10% | secondary [numeric] aperture |
| 0.10% | secondary [numeric] shock |
| 0.10% | secondary [numeric] body |
| 0.10% | secondary [numeric] engine |
| 0.10% | secondary [numeric] inductance |
| 0.10% | secondary [numeric] antenna |
| 0.10% | secondary [numeric] alcohol |
| 0.10% | secondary [numeric] key |
| 0.10% | secondary [numeric] area |
| 0.09% | secondary [numeric] groove |
| 0.09% | secondary [numeric] region |
| 0.09% | secondary [numeric] vent |
| 0.09% | secondary [numeric] carburetor |
| 0.09% | secondary [numeric] ignition |
| 0.09% | secondary [numeric] airstream |
| 0.09% | secondary [numeric] steer |
| 0.09% | secondary [numeric] actuator |
| 0.09% | secondary [numeric] object |
| 0.09% | secondary [numeric] threshold |
| 0.09% | secondary [numeric] component |
| 0.09% | secondary [numeric] duct |
| 0.08% | secondary [numeric] function |
| 0.08% | secondary [numeric] gas |
| 0.08% | secondary [numeric] intake |
| 0.08% | secondary [numeric] pool |
| 0.08% | secondary [numeric] throttle |
| 0.08% | secondary [numeric] mode |
| 0.08% | secondary [numeric] barrel |
| 0.08% | secondary [numeric] stage |
| 0.08% | secondary [numeric] wave |
| 0.07% | secondary [numeric] encapsulant |
| 0.07% | secondary [numeric] apparatus |
| 0.07% | secondary [numeric] jet |
| 0.07% | secondary [numeric] capacitance |
| 0.07% | secondary [numeric] turn |
| 0.07% | secondary [numeric] motion |
| 0.07% | secondary [numeric] level |
| 0.07% | secondary [numeric] force |
| 0.07% | secondary [numeric] web |
| 0.06% | secondary [numeric] pathway |