convenience vs appliance

convenience and appliance both are nouns.

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

As nouns, convenience and appliance are synonyms defined as:

convenience and appliance: a device or control that is very useful for a particular job

Other synonyms of convenience include contraption, contrivance, gadget, gismo, gizmo, widget.

convenience (noun)	appliance (noun)
a device or control that is very useful for a particular job	durable goods for home or office use
a toilet that is available to the public	a device or control that is very useful for a particular job
the quality of being useful and convenient
the state of being suitable or opportune