Abolish vs Demonish - What's the difference?

As a verb abolish

is to end a law, system, institution, custom or practice.

like or characterisic of a demon; demonic.

(es)

To end a law, system, institution, custom or practice.

Slavery was abolished in the nineteenth century.

* 2002', William Schabas, ''The '''abolition of the death penalty in international law (Cambridge University Press):

(archaic) To put an end to or destroy, as a physical object; to wipe out.

* :

And with thy blood abolish so reproachful blot.

* :

His quick instinctive hand Caught at the hilt, as to abolish him.

* abrogate, annul, cancel, dissolve, nullify, repeal, revoke

* establish, found

(en adjective)

Like or characterisic of a demon; demonic.

* 1869 , The Overland Monthly (volume 2, page 71)

to stealthily seek the aid of the demonish patroness

* D. H. Lawrence

It was watching her with cold animal curiosity, something demonish and conscienceless.

* demonlike * demonly