windmill vs aerogenerator

windmill and aerogenerator both are nouns.

Word	Noun	Adjective	Verb	Adverb
windmill	Yes	No	No	No
aerogenerator	Yes	No	No	No

As nouns, windmill and aerogenerator are synonyms defined as:

windmill and aerogenerator: generator that extracts usable energy from winds

Other synonyms of windmill include wind generator.

windmill (noun)	aerogenerator (noun)
generator that extracts usable energy from winds	generator that extracts usable energy from winds
a mill that is powered by the wind