| русский | rus-000 |
| поршневой двигатель | |
| English | eng-000 | free-piston engine |
| English | eng-000 | piston engine |
| English | eng-000 | piston motor |
| English | eng-000 | reciprocating engine |
| English | eng-000 | reciprocating motor |
| English | eng-000 | reciprocating-engine |
| English | eng-000 | reciprocator |
| latviešu | lvs-000 | virzuļdzinējs |
| latviešu | lvs-000 | virzuļmotors |