| Share | Phrase |
| 29.66% | pumping [purpose] chamber |
| 6.61% | pumping [purpose] element |
| 6.25% | pumping [purpose] plunger |
| 5.70% | pumping [purpose] stroke |
| 4.53% | pumping [purpose] loss |
| 4.25% | pumping [purpose] action |
| 3.65% | pumping [purpose] means |
| 2.91% | pumping [purpose] event |
| 2.47% | pumping [purpose] piston |
| 2.45% | pumping [purpose] member |
| 2.23% | pumping [purpose] unit |
| 2.15% | pumping [purpose] capacity |
| 1.89% | pumping [purpose] cell |
| 1.33% | pumping [purpose] device |
| 1.31% | pumping [purpose] ip |
| 1.30% | pumping [purpose] current |
| 1.19% | pumping [purpose] cycle |
| 1.12% | pumping [purpose] operation |
| 1.02% | pumping [purpose] flow |
| 0.99% | pumping [purpose] channel |
| 0.95% | pumping [purpose] apparatus |
| 0.87% | pumping [purpose] mechanism |
| 0.78% | pumping [purpose] efficiency |
| 0.78% | pumping [purpose] rate |
| 0.75% | pumping [purpose] pressure |
| 0.69% | pumping [purpose] section |
| 0.65% | pumping [purpose] direction |
| 0.64% | pumping [purpose] system |
| 0.59% | pumping [purpose] effect |
| 0.55% | pumping [purpose] assembly |
| 0.53% | pumping [purpose] diaphragm |
| 0.49% | pumping [purpose] volume |
| 0.49% | pumping [purpose] cavity |
| 0.42% | pumping [purpose] housing |
| 0.39% | pumping [purpose] cylinder |
| 0.38% | pumping [purpose] work |
| 0.35% | pumping [purpose] space |
| 0.32% | pumping [purpose] bore |
| 0.30% | pumping [purpose] media |
| 0.29% | pumping [purpose] passage |
| 0.28% | pumping [purpose] algorithm |
| 0.28% | pumping [purpose] ring |
| 0.27% | pumping [purpose] motion |
| 0.27% | pumping [purpose] component |
| 0.27% | pumping [purpose] step |
| 0.25% | pumping [purpose] station |
| 0.24% | pumping [purpose] loop |
| 0.24% | pumping [purpose] force |
| 0.22% | fuel pumping |
| 0.22% | pumping [purpose] vane |
| 0.21% | pumping [purpose] flowing |
| 0.21% | pumping [purpose] shaft |
| 0.19% | pumping [purpose] mode |
| 0.19% | fluid pumping |
| 0.19% | pumping [purpose] arrangement |
| 0.15% | pumping [purpose] valve |
| 0.15% | pumping chamber |
| 0.14% | pumping [purpose] part |
| 0.14% | pumping [purpose] process |
| 0.11% | pumping [temporal] decrease |
| 0.11% | pumping decrease |
| 0.09% | alternate [time periodicity] pumping |
| 0.09% | high-pressure [physical/chemical] pumping |
| 0.09% | oil pumping |
| 0.08% | position [location] pumping |
| 0.08% | pumping [does] take |
| 0.07% | air pumping |
| 0.07% | water pumping |
| 0.07% | pumping [does] maintain |
| 0.06% | pumping [does] cause |
| 0.06% | effect pumping [perform operation] |
| 0.05% | require pumping [perform operation] |
| 0.05% | brake pumping |
| 0.04% | provide pumping [perform operation] |
| 0.04% | pump pumping |
| 0.04% | prevent pumping [perform operation] |
| 0.04% | pumping [does] occur |
| 0.03% | cause pumping [perform operation] |
| 0.02% | not pumping |