helicopter vs eggbeater

helicopter and eggbeater both are nouns.

Word	Noun	Adjective	Verb	Adverb
helicopter	Yes	No	No	No
eggbeater	Yes	No	No	No

As nouns, helicopter and eggbeater are synonyms defined as:

helicopter and eggbeater: an aircraft without wings that obtains its lift from the rotation of overhead blades

Other synonyms of helicopter include chopper, whirlybird.

helicopter (noun)	eggbeater (noun)
an aircraft without wings that obtains its lift from the rotation of overhead blades	a mixer for beating eggs or whipping cream
	an aircraft without wings that obtains its lift from the rotation of overhead blades