Undervalue vs Disvalue - What's the difference?

As verbs the difference between undervalue and disvalue

is that undervalue is to underestimate, or assign too low a value to while disvalue is to regard something as having little or no value.

harm, demerit.

To underestimate, or assign too low a value to.

To have too little regard for.

* Atterbury

In comparison of it I undervalued all ensigns of authority.

* Dryden

I write not this with the least intention to undervalue the other parts of poetry.

* (l)

(disvalu)

To regard something as having little or no value

To undervalue; to depreciate.

(Shakespeare)

harm, demerit