Assent vs Concent - What's the difference?

As nouns the difference between assent and concent

is that assent is agreement, act of agreeing while concent is (archaic) harmony.

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 .

* ----

(-)

(archaic) harmony