Difference between Withdraw and Unsay

WITHDRAW vs UNSAY: VERB

Remove something concrete, as by lifting, pushing, taking off, etc. or remove something abstract
Keep away from others
Cause to be returned
Lose interest
Release from something that holds fast, connects, or entangles
Break from a meeting or gathering
Retire gracefully
Withdraw from active participation
Remove (a commodity) from (a supply source)
Take back what one has said
Make a retreat from an earlier commitment or activity
To pull (something) back, aside, or away.
To take back (a comment, etc).
To remove, to stop providing (one's support, etc).
To extract (money from an account).
To retreat.
Pull back or move away or backward

Take back what one has said
To withdraw, retract (something said).
To not have said (since this is physically impossible usually in the subjunctive, as I wish I could unsay).

To take back or away, as what has been bestowed or enjoyed; to draw back; to cause to move away or retire.
To take back; to recall or retract.

To retract (something said).
To recant or recall, as what has been said; to refract; to take back again; to make as if not said.

To recant or recall after having been said; retract; take back: as, to unsay one's words.

Bow out, Take back, Pull back, Sequester, Swallow, Unsay, Recall, Draw, Seclude, Recede, Retreat, Sequestrate, Adjourn, Retire, Disengage

Call in, Call back, Back away, Pull away, Bow out, Pull back, Swallow, Unsay, Recall, Draw, Seclude, Recede, Sequestrate, Adjourn, Retire

Please suggest me how to withdraw that amount.
Buyer could not then revoke or withdraw her offer, and Seller could not then revoke or withdraw his acceptance.
We desire to withdraw the application for a change of venue in this case and to also withdraw the plea of not guilty.
To drop or withdraw from a class, you must first contact an academic advisor and fill out a drop or withdraw form.
Withdraw larger amounts: If you must use an ATM that charges fees, withdraw larger amounts if it is safe to do so.
Right to Refuse or Withdraw This is a reconfirmation that participation is voluntary and includes the right to withdraw.
Provide participants an opportunity to withdraw their consent to participate or to withdraw their data from the study.
Israel to withdraw from the passes and oil fields, or else Israel would only withdraw to a border that does not jeopardize its security.
FREEDOM TO WITHDRAW You are free to withdraw from this study at any time for any reason.
WITHDRAWAL A Member may withdraw from this Agreement by providing written notice of its intent to withdraw to the Statewide Chair.

When the Son of God, who had been thus announced, himself appeared, he did not unsay what John had said.
Mangutana: Unsay nakapaguol ug nakapasuko nimo mahitungod niini nga mga pictures ug news headlines?
He stammered a bit, as if he wanted to unsay his last sentence.
Sh usuall read th befor sh goe t sleep Unsay dngay ndtung pagabuhdtun?
Unsay makapasayon o makapalisod sa pagtuman sa tawag?
Washington, imploring men to unsay what Washington did.
Gahuwat ra ug unsay mga kaayuhan nga ihatag sa barangay.