hatchback

As nouns the difference between liftgate and hatchback

is that liftgate is a closure at the rear of a vehicle that can be mechanically raised during loading and unloading of heavy cargo while hatchback is a car with a sloping, hinged rear door that opens upwards.

Notechback is likely misspelled.

Notechback has no English definition.

As a noun hatchback is

a car with a sloping, hinged rear door that opens upwards.