generator vs apparatus

generator and apparatus both are nouns.

Word	Noun	Adjective	Verb	Adverb
generator	Yes	No	No	No
apparatus	Yes	No	No	No

As nouns, apparatus is a hypernym of generator; that is, apparatus is a word with a broader meaning than generator:

Other hypernyms of generator include setup.

generator (noun)	apparatus (noun)
engine that converts mechanical energy into electrical energy by electromagnetic induction	equipment designed to serve a specific function
an apparatus that produces a vapor or gas	(anatomy) a group of body parts that work together to perform a given function
an electronic device for producing a signal voltage
someone who originates or causes or initiates something