Abdicate means to give up, relinquish power, or renounce formally.
- By leaving the job, did Paul abdicate his rights to a pension?
Abrogate means to abolish, cancel, or revoke something.
- Why are the politicians seeking to abrogate the agreement?
Arrogate means to take, claim, or assume without any right.
- He arrogated to himself what should be in the company charter.