commutator vs electrical switch

commutator and electrical switch both are nouns.

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

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

commutator: switch for reversing the direction of an electric current
electrical 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 electric switch, switch.

commutator (noun)	electrical 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