liftgate vs hatchback door

liftgate and hatchback door both are nouns.

Word	Noun	Adjective	Verb	Adverb
liftgate	Yes	No	No	No
hatchback door	Yes	No	No	No

As nouns, liftgate and hatchback door are synonyms defined as:

liftgate and hatchback door: a sloping rear car door that is lifted to open

Other synonyms of liftgate include hatch, hatchback.

liftgate (noun)	hatchback door (noun)
a sloping rear car door that is lifted to open	a sloping rear car door that is lifted to open