contraption vs appliance

contraption and appliance both are nouns.

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

As nouns, contraption and appliance are synonyms defined as:

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

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

contraption (noun)	appliance (noun)
a device or control that is very useful for a particular job	durable goods for home or office use
	a device or control that is very useful for a particular job