Hammond organ vs electric organ

Hammond organ and electric organ both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hammond organ	Yes	No	No	No
electric organ	Yes	No	No	No

As nouns, Hammond organ and electric organ are synonyms defined as:

Hammond organ and electric organ: (music) an electronic simulation of a pipe organ

Other synonyms of Hammond organ include electronic organ, organ.

Hammond organ (noun)	electric organ (noun)
(music) an electronic simulation of a pipe organ	(music) an electronic simulation of a pipe organ