mod con vs contraption

mod con and contraption both are nouns.

Word	Noun	Adjective	Verb	Adverb
mod con	Yes	No	No	No
contraption	Yes	No	No	No

As nouns, contraption is a hypernym of mod con; that is, contraption is a word with a broader meaning than mod con:

mod con: modern convenience; the appliances and conveniences characteristic of a modern house
contraption: a device or control that is very useful for a particular job

Other hypernyms of mod con include appliance, contrivance, convenience, gadget, gismo, gizmo, widget.

mod con (noun)	contraption (noun)
modern convenience; the appliances and conveniences characteristic of a modern house	a device or control that is very useful for a particular job