Difference between Devalue and Undervalue

DEVALUE vs UNDERVALUE: NOUN

A low rate or price; a price less than the real worth; undervaluation.
Undervaluation.
A value below the proper or true value; a low estimate of worth; a price less than the real value.

To esteem lightly; to treat as of little worth; to hold in mean estimation; to despise.
To have too little regard or esteem for.
To assign too low a value to; underestimate.

To value, rate, or estimate below the real worth. To esteem lightly; treat as of little worth; despise; hold in mean estimation.

Debase, Trash, Assess, Evaluate, Downgrade, Underestimate, Belittle, Demean, Denigrate, Weaken, Diminish, Undermine, Undervalue, Depreciate, Devaluate

Underprice, Overstate, Overestimate, Overrate, Undersell, Overvalue, Dump, Underplay, Overlook, Underrate, Understate, Devaluate, Depreciate, Underestimate, Devalue

Undersell, Overvalue, Cheapen, Trash, Assess, Evaluate, Downgrade, Underestimate, Belittle, Demean, Denigrate, Weaken, Diminish, Undermine, Undervalue

Misunderstand, Overpay, Underprice, Overstate, Overestimate, Overrate, Undersell, Overvalue, Dump, Underplay, Overlook, Underrate, Understate, Underestimate, Devalue

Alaska Airlines almost certainly has to devalue its loyalty program.
This is in no way an attempt to devalue Booking.
These options may devalue the contexts inwhich motherhood occurs.
As a result, courts tended to devalue arbitration agreements.
Does using the language of retail devalue shelter pets?
No assertive communication is when the speaker devalue themselves.
This is not to devalue them at all.
Seems you want to devalue and dismiss her.
To make it palatable to leave, they have to devalue the wife in their own minds and they have to devalue the marriage.
Somehow this does not devalue their choice of religion, so why does "convenience" devalue an atheist's choice?.

Panhandle, also is easy to undervalue today as a military resource.
Tax inspectors were believed to undervalue assessments and pocket the difference.
Hence why most counties undervalue houses so often for taxing purposes.
An agent may undervalue your property so it sells fast.
Similarly, human gamblers tend to overvalue wins and undervalue losses.
But they are also people who tend to undervalue.
On the one hand, often we drastically undervalue manuscripts.
Do you think we tend to undervalue this truth?
We tend to overvalue losses and undervalue gains.
When you undervalue what you do, the world will undervalue who you are.