cathode vs depot

cathode and depot both are nouns.

Word	Noun	Adjective	Verb	Adverb
cathode	Yes	No	No	No
depot	Yes	No	No	No

As nouns, depot is a hypernym of cathode; that is, depot is a word with a broader meaning than cathode:

cathode: the positively charged terminal of a voltaic cell or storage battery that supplies current
depot: station where transport vehicles load or unload passengers or goods

Other hypernyms of cathode include terminal, terminus.

cathode (noun)	depot (noun)
a negatively charged electrode that is the source of electrons entering an electrical device	station where transport vehicles load or unload passengers or goods
the positively charged terminal of a voltaic cell or storage battery that supplies current	a depository for goods