| Subject | English | Swedish |
| industr. | air inlet flap | luftklaff |
| transp. | air intake flap | luftintagslucka |
| transp. | airbrake flap | luftbromsklaff |
| mech.eng. | back flap | gångjärn |
| mech.eng. | back flap hinge | gångjärn |
| mater.sc., mech.eng. | bag with two side seams and a sealed flap | tvåsömmad väska med nedvikt och förseglad kant |
| transp. | balance flap | balansroder |
| transp., mater.sc. | blade response in flapping | bladföljsamhet i flappning |
| transp. | blown flap | blåst klaff |
| transp., avia. | blown flap system | blåst klaffsystem |
| mech.eng., el. | brake flap | bromsvinge |
| mech.eng. | butt flap | gångjärn |
| mech.eng. | butt flap hinge | gångjärn |
| tech., industr., construct. | delivery flap of a waste cleaner | matarbräda i avfallsrensmaskin |
| transp., tech., engl. | design flap speed | design flap speed |
| transp. | dive braking flap | dykluftbroms |
| transp. | dive braking flap | bromsklaff |
| transp. | dive flap | bromsklaff |
| transp. | dive flap | dykluftbroms |
| transp. | double slotted flap | dubbelspaltad klaff |
| mater.sc., mech.eng. | double-seam bag with folded and sealed flap | tvåsömmad väska med nedvikt och förseglad kant |
| transp. | drip flap | droppskydd |
| transp. | droop flap | framkantsklaff |
| transp. | dual-slot flap | dubbelspaltad klaff |
| transp. | emergency flap | nödklaff |
| transp., avia. | extension flap | Fowlerklaff |
| transp. | external aerofoil flap | klyvklaff |
| transp. | externally-blown flap | blåst klaff |
| mech.eng. | fire flap | brandavskiljare |
| transp., avia. | flap and aileron blowing | blåst klaffsystem |
| el. | flap attenuator | klaffdämpare |
| mater.sc. | flap bag | klaffpåse |
| transp., mech.eng. | flap circuit | klaffkontrollsystem |
| mech.eng. | flap control lever safety pin | säkerhetssprint för klaffkontrollhandtag |
| forestr. | flap disc | lamellskiva |
| el. | flap display | klaffdisplay |
| mech.eng. | flap drive actuator | klaffdrivsystem |
| transp., avia., tech. | flap extended speed | max fart med klaffar utfällda |
| construct. | flap gate | klafflucka |
| transp., avia. | flap position | klaffläge |
| IT, transp. | flap position indicator | klaffpositionsindikator |
| transp., mech.eng. | flap track | klaffspår |
| transp., mech.eng. | flap track | klaffskena |
| transp. | flap track rib | klaffspårssprygel |
| construct. | flap weir | damm med sektorluckor |
| chem. | flap wheel | polerskiva |
| mech.eng., el. | flapping hinge | slående lager |
| mech.eng., el. | flapping hinge | gungande lager |
| mech.eng., el. | flapping wing machine | slagvinge |
| mater.sc. | flat bag with flap closure | klaffpåse |
| industr., construct., chem. | flip-flap | fiberfördelare |
| mech.eng. | flip-flap lubricator | conus-kopp |
| mech.eng. | flip-flap oiler | conus-kopp |
| industr., construct. | heel breast flap | pompadoursula |
| transp. | jet flap | strålklaff |
| transp. | land flap | landningsklaff |
| transp., engl. | landing flap | spoiler |
| transp., avia. | landing flap | landningsklaff |
| transp. | landing flap area | yta på landningsklaff |
| transp. | landing flap area | landningsklaffyta |
| transp., mater.sc. | landing flap chord | vingklaffkorda |
| transp., mater.sc. | landing flap chord | landningsklaffkorda |
| transp., mech.eng. | landing-gear downlock optical inspection flap | landställslåsning visuell inspektionsklaff |
| transp. | leading edge flap | framkantsklaff |
| transp., mech.eng. | LG downlock optical inspection flap | landställslåsning visuell inspektionsklaff |
| mater.sc., industr., construct. | outer flap | ytterklaff |
| transp., mater.sc. | pitch-flap coupling effect | sambandseffekt anfallsvinkelklaffinställning |
| transp. | plain flap | klyvklaff |
| transp. | plain flap | enkel klaff |
| transp. | recovery flap | dykupptagningsklaff |
| hobby | saddle flap | sadelkåpa |
| commun., mater.sc. | sealing flap | kuvertflik |
| commun., mater.sc. | sealing flap | förslutningsflik |
| transp., avia. | slot flap | framkantsklaff |
| transp., avia. | slot flap | spaltklaff |
| transp. | slotted flap | spaltklaff |
| transp., avia. | split flap | klyvklaff |
| el. | split flap display | mekanisk klaffdisplay |
| transp. | spring flap | fjädrande klaff |
| mater.sc. | top flap | toppventil |
| transp., avia. | trailing edge flap | bakkantsklaff |
| mater.sc. | tuck-in flap | insticksflik |
| transp., mech.eng. | undercarriage downlock optical inspection flap | landställslåsning visuell inspektionsklaff |
| transp. | upper surface blowing flap | anblåsande översideklaff |
| transp. | USB flap | anblåsande översideklaff |
| mech.eng. | valve flap of a check valve | backventil med klaff |
| transp. | wing flap | vingklaff |
| transp., avia. | wing flap | vingklaffar |
| transp. | wing flap | klaff |
| transp., mater.sc. | wing flap chord | vingklaffkorda |
| transp., mater.sc. | wing flap chord | landningsklaffkorda |
| IT, transp. | wing flap follow-up | vingklaffindikering |
| mech.eng. | wing-flap motor | vingklaffmotor |
| transp., avia. | wing flap nose rib | vingklaffnossprygel |
| IT, transp. | wing flap position indicator | vingklaffinställningsindikator |
