electrostatic generator vs Van de Graaff generator

electrostatic generator and Van de Graaff generator both are nouns.

Word	Noun	Adjective	Verb	Adverb
electrostatic generator	Yes	No	No	No
Van de Graaff generator	Yes	No	No	No

As nouns, electrostatic generator and Van de Graaff generator are synonyms defined as:

electrostatic generator and Van de Graaff generator: electrical device that produces a high voltage by building up a charge of static electricity

Other synonyms of electrostatic generator include electrostatic machine, Wimshurst machine.

electrostatic generator (noun)	Van de Graaff generator (noun)
electrical device that produces a high voltage by building up a charge of static electricity	electrical device that produces a high voltage by building up a charge of static electricity