The difference between Concur and Dissent

When used as verbs, concur means to unite or agree (in action or opinion), whereas dissent means to disagree.

Dissent is also noun with the meaning: disagreement with the ideas, doctrines, decrees, etc. of a political party, government or religion.

check bellow for the other definitions of Concur and Dissent

Concur as a verb:

To unite or agree (in action or opinion); to have a common opinion; to coincide; to correspond.
Concur as a verb:

To meet in the same point; to combine or conjoin; to contribute or help towards a common object or effect.
Concur as a verb (obsolete):

To run together; to meet.
Concur as a verb (rare):

To converge.

Dissent as a verb (intransitive):

To disagree; to withhold assent. Construed with from (or, formerly, to).
Dissent as a verb (intransitive):

To differ from, especially in opinion, beliefs, etc.
Dissent as a verb (obsolete):

To be different; to have contrary characteristics.

Examples:

"rfquotek Hooker"

Dissent as a noun:

Disagreement with the ideas, doctrines, decrees, etc. of a political party, government or religion.
Dissent as a noun:

An act of disagreeing with, or deviating from, the views and opinions of those holding authority.
Dissent as a noun (Anglo-American common law):

A separate opinion filed in a case by judges who disagree with the outcome of the majority of the court in that case
Dissent as a noun (sports):

A violation that arises when disagreement with an official call is expressed in an inappropriate manner such as foul language, rude gestures, of failure to comply.