| Subject | English | Swedish |
| transp., mater.sc. | blade response in flapping | bladföljsamhet i flappning |
| mech.eng., el. | flapping hinge | slående lager |
| mech.eng., el. | flapping hinge | gungande lager |
| mech.eng., el. | flapping wing machine | slagvinge |
| comp., MS | interface flapping | gränssnittsväxling (In computer networking and telecommunications, a situation that occurs when an interface on a router experiences a hardware failure that causes the router to announce itself alternately as available or unavailable) |