secondary cell vs electric cell

secondary cell and electric cell both are nouns.

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

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

secondary cell: a cell that can be recharged
electric cell: a device that delivers an electric current as the result of a chemical reaction

Other hypernyms of secondary cell include cell.

secondary cell (noun)	electric cell (noun)
a cell that can be recharged	a device that delivers an electric current as the result of a chemical reaction