The difference between Abrogate and Promulgate

When used as verbs, abrogate means to annul by an authoritative act, whereas promulgate means to make known or public.

Abrogate is also adjective with the meaning: abrogated.

check bellow for the other definitions of Abrogate and Promulgate

Abrogate as a verb (transitive):

To annul by an authoritative act; to abolish by the authority of the maker or her or his successor; to repeal; — applied to the repeal of laws, decrees, ordinances, the abolition of customs, etc.
Abrogate as a verb (transitive):

To put an end to; to do away with.
Abrogate as a verb (molecular biology, transitive):

To block a process or function.

Promulgate as a verb (transitive):

To make known or public.
Promulgate as a verb (transitive):

To put into effect as a regulation.