primary cell vs electric cell

primary cell and electric cell both are nouns.

Word	Noun	Adjective	Verb	Adverb
primary cell	Yes	No	No	No
electric cell	Yes	No	No	No

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

primary cell: an electric cell that generates an electromotive force by an irreversible conversion of chemical to electrical energy; cannot be recharged
electric cell: a device that delivers an electric current as the result of a chemical reaction

Other hypernyms of primary cell include cell.

primary cell (noun)	electric cell (noun)
an electric cell that generates an electromotive force by an irreversible conversion of chemical to electrical energy; cannot be recharged	a device that delivers an electric current as the result of a chemical reaction