Difference between Contrivances and Contraption

CONTRIVANCES vs CONTRAPTION: NOUN

Plural form of contrivance.
A device that is very useful for a particular job
Any improvised arrangement for temporary use
The act of devising something
An elaborate or deceitful scheme contrived to deceive or evade
An artificial or unnatural or obviously contrived arrangement of details or parts etc.
The faculty of contriving; inventive skill

Pratfalls, Improbabilities, Conceits, Melodramatics, Gismos, Devisal, Lash up, Appliance, Convenience, Widget, Gadget, Dodge, Gizmo, Contraption, Stratagem

Stuff, Trick, Spacecraft, Rig, Apparatus, Machine, Device, Thingy, Gismo, Convenience, Appliance, Widget, Contrivance, Gadget, Gizmo

Artifice, Slapstick, Digressions, Didacticism, Silliness, Triteness, Pratfalls, Gismos, Devisal, Appliance, Convenience, Widget, Gadget, Gizmo, Stratagem

Gear, Craft, Stuff, Trick, Spacecraft, Rig, Machine, Device, Thingy, Gismo, Convenience, Appliance, Widget, Gadget, Gizmo

And customs, and contrivances of life, with all we see and know.
These little contrivances can be effected, says the honest Grimoire, without exciting the notice of your opponent.
That opportunities for companies and wealthy individuals to avoid paying their fair share of tax through artificial contrivances are eliminated.
But how many of those gaunt hopefuls in the line can afford the contrivances, you figure?
It only went to russia via the contrivances of army intelligence by way of russian spies.
Arrested where team westen; story contrivances had been a huge purse and a beat.
The trouble is mainly with some of the plot contrivances for me.
Still other schemes and contrivances were proposed and patented.
King of Boulder and celebrated ultra runner, Anton helped roadies triumph over their banal contrivances.
With contrivances and coincidences at every turn, the train goes way off track.