convenience vs toilet

convenience and toilet both are nouns.

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

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

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

convenience (noun)	toilet (noun)
a device or control that is very useful for a particular job	the act of dressing and preparing yourself
a toilet that is available to the public	a room or building equipped with one or more toilets
the quality of being useful and convenient	a plumbing fixture for defecation and urination
the state of being suitable or opportune	misfortune resulting in lost effort or money