Plenary and Unreduced

Plenary adjective - Not lacking any part or member that properly belongs to it.

Unreduced and plenary are semantically related In some cases you can use "Unreduced" instead an adjective "Plenary".

Unreduced adjective - Not altered by reduction.

Plenary and unreduced are semantically related in complete topic. Sometimes you can use "Plenary" instead an adjective "Unreduced", if it concerns topics such as total.