Difference between Unwillingness and Refusal

UNWILLINGNESS vs REFUSAL: NOUN

Depth or point at which well or borehole drilling cannot continue.
The right of taking in preference to others; the choice of taking or refusing; option.
In hydraulic engineering, the resistance of a pile at any point to further driving.
The choice of refusing or taking; the right of taking in preference to others; option of buying; preëmption.
The act of refusing; denial or rejection of anything demanded, solicited, or offered for acceptance.
In mech., the limiting resistance of a female screw or nut to further turning upon the male screw or bolt, and conversely.
The opportunity or right to accept or reject something before it is offered elsewhere.
The act or an instance of refusing.
The act of refusing
A message refusing to accept something that is offered

Aversion, Determination, Hesitancy, Lack, Refuse, Disinterest, Intransigence, Failure, Desire, Reticence, Refusing, Inability, Willingness, Refusal, Reluctance

Rejecting, Decision, Rejection, Reticence, Failure, Unwilling, Inability, Refuse, Refuses, Refused, Reluctance, Refusing, Unwillingness, Regrets, Declination

Slackness, Denial, Rejection, Hesitancy, Lack, Refuse, Disinterest, Intransigence, Failure, Desire, Reticence, Refusing, Inability, Refusal, Reluctance

Objection, Rejected, Lack, Denial, Rejecting, Decision, Rejection, Reticence, Failure, Unwilling, Inability, Refuse, Reluctance, Refusing, Unwillingness

There is a lot of unwillingness to tackle corruption.
Clinton reflect an unwillingness to compromise and unyielding nature.
Koizumi has expressed his unwillingness to do so.
Unwillingness or inability to comply with study requirements.
SMEs, unwillingness to cede control of their businesses.
The short answer: fear and unwillingness to change.
Could this indicate an unwillingness to take risks?
Difficulty did not result in unwillingness to answer.
Unwillingness to Delay Gratification: Unwillingness to endure discomfort or difficulty to obtain desired results.
But her inability was at least partially unwillingness, unwillingness to think negatively about anyone she knows.

You should consider any sign of objection, distress or indication of refusal, whether or not it is spoken, as implied refusal.
Parole Administrators on a daily basis through the refusal to approve arrests and the refusal to acknowledge parolee violations.
Refusal to do so results in additional penalties and evidence of said refusal will be used against you should your case proceed to trial.
Should Council wish to refuse the application, reasons for the refusal are required including a written explanation of the refusal.
Once a consumer has stated refusal to pay up, legal action can be taken up depending on the reasons for refusal.
The reasons for refusal will be given in the refusal notice.
This listing of refusal reasons gives only basic information regarding the grounds for the refusal.
Refusal to take breath test can occur through conduct as well as expressed refusal.
Refusal to submit to a test may result in dismissal or refusal of employment.
Refusal may result in termination or refusal to employ.