exhaust vs exhaust manifold

exhaust and exhaust manifold both are nouns.

Word	Noun	Adjective	Verb	Adverb
exhaust	Yes	No	Yes	No
exhaust manifold	Yes	No	No	No

exhaust (noun)	exhaust manifold (noun)
system consisting of the parts of an engine through which burned gases or steam are discharged	a manifold that receives exhaust gases from the cylinders and conducts them to the exhaust pipe
gases ejected from an engine as waste products

exhaust (verb)	exhaust manifold (verb)
wear out completely
eliminate (a substance)
use up the whole supply of
use up (resources or materials)
deplete