commutator vs electric switch

commutator and electric switch both are nouns.

Word	Noun	Adjective	Verb	Adverb
commutator	Yes	No	No	No
electric switch	Yes	No	No	No

As nouns, electric switch is a hypernym of commutator; that is, electric switch is a word with a broader meaning than commutator:

commutator: switch for reversing the direction of an electric current
electric switch: control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit

Other hypernyms of commutator include electrical switch, switch.

commutator (noun)	electric switch (noun)
switch for reversing the direction of an electric current	control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit