System
Part of speech: noun
Definition: A collection of organized things; as in a solar system. A way of organising or planning. A whole composed of relationships among the members. A set of staffs that indicate instruments or sounds that are to be played simultaneously. A set of equations involving the same variables, which are to be solved simultaneously.
Example sentence: A system of morality which is based on relative emotional values is a mere illusion, a thoroughly vulgar conception which has nothing sound in it and nothing true.
Scheme
Part of speech: verb
Definition: To plot, or contrive a plan.
Part of speech: noun
Definition: A systematic plan of future action.A plot or secret, devious plan.An orderly combination of related parts.A chart or diagram of a system or object.A type of topological space.A systematic plan of future action.
Example sentence: As soon as I have got flying to perfection, I have got a scheme about a steam engine.