car door vs hatch

car door and hatch both are nouns.

Word	Noun	Adjective	Verb	Adverb
car door	Yes	No	No	No
hatch	Yes	No	Yes	No

As nouns, hatch is a hyponym of car door; that is, hatch is a word with a more specific, narrower meaning than car door:

Other hyponyms of car door include hatchback, hatchback door, liftgate.

car door (noun)	hatch (noun)
the door of a car	a movable barrier covering a hatchway
	a sloping rear car door that is lifted to open
	shading consisting of multiple crossing lines
	the production of young from an egg

car door (verb)	hatch (verb)
	sit on (eggs)
	emerge from the eggs
	draw, cut, or engrave lines, usually parallel, on metal, wood, or paper
	devise or invent
	inlay with narrow strips or lines of a different substance such as gold or silver, for the purpose of decorating