depot vs cathode

depot and cathode both are nouns.

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

As nouns, cathode is a hyponym of depot; that is, cathode is a word with a more specific, narrower meaning than depot:

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

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