auto (n.)
- accelerator
- alternator
- ammeter
- automobile
- boat
- bonnet
- boot
- brake
- buggy
- bumper
- bus
- camshaft
- car
- carburetor
- charioteer
- chassis
- choke
- clutch
- cowl
- crank
- crankcase
- crankshaft
- crate
- cutout
- cylinder
- dash
- dashboard
- differential
- distributor
- exhaust
- fan
- fender
- flywheel
- gear
- gearbox
- gearshift
- generator
- headlight
- headrest
- heap
- hood
- horn
- ignition
- intake
- jalopy
- machine
- manifold
- motor
- motorcar
- muffler
- pilot
- piston
- radiator
- ride
- speedometer
- springs
- starter
- tool
- top
- transmission
- tub
- universal
- valve
- wheel
- windscreen
- windshield
- wreck