machine vs car door

machine and car door both are nouns.

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

machine (noun)	car door (noun)
any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks	the door of a car
a motor vehicle with four wheels; usually propelled by an internal combustion engine
a device for overcoming resistance at one point by applying force at some other point
a group that controls the activities of a political party
an intricate organization that accomplishes its goals efficiently
an efficient person

machine (verb)	car door (verb)
make by machinery
turn, shape, mold, or otherwise finish by machinery