Assent vs Concurrence - What's the difference?

As nouns the difference between assent and concurrence

is that assent is agreement, act of agreeing while concurrence is agreement; concurring.

is to agree to, give approval.

(en verb)

To agree to, give approval.

* Macaulay

The princess assented to all that was suggested.

To admit a thing as true.

* Bible, Acts xxiv. 9

And the Jews also assented , saying that these things were so.

* accede *

(en noun)

agreement, act of agreeing

I will give this act my assent .

* ----

(en noun)

Agreement; concurring.

An instance of simultaneous occurrence.