convenience vs john

convenience and john both are nouns.

Word	Noun	Adjective	Verb	Adverb
convenience	Yes	No	No	No
john	Yes	No	No	No

As nouns, john is a hypernym of convenience; that is, john is a word with a broader meaning than convenience:

Other hypernyms of convenience include facility, bathroom, can, lav, lavatory, privy, toilet.

convenience (noun)	john (noun)
a device or control that is very useful for a particular job	a room or building equipped with one or more toilets
a toilet that is available to the public	a prostitute's customer
the quality of being useful and convenient
the state of being suitable or opportune