Difference between Failing and Deteriorating

FAILING vs DETERIORATING: NOUN

A flaw or weak point
The act of a person or thing that fails; a failure.
A minor fault.
The act or condition of one who fails; imperfection; weakness; fault.
Synonyms Foible, imperfection, shortcoming, weakness, infirmity.
Failure to reach a minimum required performance
The act of becoming insolvent of bankrupt.
Weakness; defect
A failing short; a becoming deficient; failure; deficiency; imperfection; weakness; lapse; fault; infirmity.

Lacking, Ignoring, Neglecting, Inability, Refusing, Failure, Retrograde, Regressive, Retrogressive, Weakness, Regressing, Unsuccessful, Declining, Deteriorating, Unsatisfactory

Deepening, Escalating, Degenerating, Faltering, Dire, Decaying, Eroding, Deterioration, Worsening, Regressive, Retrograde, Retrogressive, Regressing, Failing, Declining

Lacking, Ignoring, Neglecting, Inability, Refusing, Failure, Retrograde, Regressive, Retrogressive, Weakness, Regressing, Unsuccessful, Declining, Deteriorating, Unsatisfactory

Exacerbating, Deepening, Escalating, Faltering, Dire, Decaying, Eroding, Deterioration, Worsening, Regressive, Retrograde, Retrogressive, Regressing, Failing, Declining

Panel: Can Trump SAVE His Failing Presidential Campaign?
My failing grades at midterm showed me otherwise.
Failing to build rapport between interviewer and interviewee.
We are failing, and we are failing that badly.
The government is failing us, the jobs are failing us.
You can omit this step if a large number of critical paths are failing, or if the paths are failing badly.
According to it, Greece is in breach for failing to attend meetings, for failing to express a required view.
Moscow accuses Turkey of failing to uphold the agreement by failing to halt attacks by jihadi groups that dominate militias in Idlib.
There are severe penalties for failing to report taxable income, but none for failing to claim legitimate deductions.
These reasons include failing to file, failing to file on time without an extension and failing to pay income taxes on time.

DLC films with superior adhesion without deteriorating polymers.
Led to deteriorating fuel economy in passenger vehicles.
She said lead around the windows is deteriorating.
If not enough pressure, it may be deteriorating.
Things were deteriorating fairly rapidly in the 1980s.
They are the starting point of deteriorating America.
Deteriorating stairwells also were deemed a safety concern.
What is contributing to this deteriorating social environment?.
When was it disease or a deteriorating relationship.
Oversight via Deteriorating Patient Group Twice daily audit on all ward areas to monitor response to deteriorating patient.