Concur
Part of speech: verb
Definition: To unite or agree (in action or opinion); to have a common opinion; to coincide; to correspond. To meet in the same point; to combine or conjoin; to contribute or help towards a common object or effect. To run together; to meet.
Example sentence: Let's be honest with one another: almost everything is too long except life, and I know people who wouldn't even concur with that exception.
Agree
Part of speech: verb
Definition: To harmonize in opinion, statement, or action; to be in unison or concord; to be or become united or consistent; to concur.To yield assent; to accede;—followed by to.To make a stipulation by way of settling differences or determining a price; to exchange promises; to come to terms or to a common resolve; to promise.To be conformable; to resemble; to coincide; to correspond.To suit or be adapted in its effects; to do well.To correspond in gender, number, case, or person.To yield assent to; to approve.
Example sentence: Justice has nothing to do with victor nations and vanquished nations, but must be a moral standard that all the world's peoples can agree to. To seek this and to achieve it - that is true civilization.