carousel vs conveyer

carousel and conveyer both are nouns.

Word	Noun	Adjective	Verb	Adverb
carousel	Yes	No	No	No
conveyer	Yes	No	No	No

As nouns, conveyer is a hypernym of carousel; that is, conveyer is a word with a broader meaning than carousel:

carousel: a conveyer belt that carries luggage to be claimed by air travelers
conveyer: a moving belt that transports objects (as in a factory)

Other hypernyms of carousel include conveyer belt, conveyor, conveyor belt, transporter.

carousel (noun)	conveyer (noun)
a large, rotating machine with seats for children to ride on for amusement	a moving belt that transports objects (as in a factory)
a conveyer belt that carries luggage to be claimed by air travelers	a person who conveys (carries or transmits)