Reparation vs Referendum - What's the difference?

As nouns the difference between reparation and referendum

is that reparation is fix, repair while referendum is referendum.

(en noun)

(usually in plural) A payment of time, effort or money to undo past transgression(s).

* Dryden

I am sensible of the scandal I have given by my loose writings, and make what reparation I am able.

The act of renewing, restoring, etc., or the state of being renewed or repaired.

the reparation of a bridge or of a highway

* (a payment) restitution, compensation, amends, satisfaction * (a renewing) restoration, repair

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(wikipedia referendum) (en-noun)

(politics) A direct popular vote on a proposed law or constitutional amendment

(diplomacy) A note from a diplomat to his government requesting instructions