Root : rog

means to ask.

Origin: Latin; ‘rogare’

SURROGATE

noun
>> a substitute, esp. a person deputizing for another in a specific role or office.

>>> a bishop’s deputy who grants marriage licenses.
>>> a judge in charge of probate, inheritance, and guardianship.

Usage :

Mary was regarded as the surrogate for the governor during his final illness.

ABROGATE

verb
>> repeal or do away with.

Usage :

The management floated a proposal to abrogate temporarily the right to strike.

ARROGANT

adjective
>> having or revealing an exaggerated sense of one’s own importance or abilities.

Usage :

John is disliked by everybody because he is arrogant and opinionated.

DEROGATORY

adjective
>> showing a critical or disrespectful attitude.

Usage :

Mary is always making derogatory remarks about me and keeps telling me that I am fat.

PREROGATIVE

noun
>> a right or privilege exclusive to a particular individual or class.

>>> a faculty or property distinguishing a person or class.

Usage:

Earlier owning a car was the prerogative of the rich.

ARROGATE

verb
>> take or claim (something) for oneself without justification.

Usage :

They arrogate to themselves the ability to divine the nation’s true interests.