Exactly how you spelled it
The spelling "neglection" is a less-used form of the noun neglect, or of negligence.
The likely word may be negligence (failure to properly act), the noun form of the adjective negligent.
The word sought may be negligee (nightie, dressing gown) from the French (négligé).(The similar word is negligence, culpable neglect.)
The least serious degree of negligence is "ordinary" negligence. The most serious is "gross" negligence.
Contributory Negligence
Gross negligence is a more serious form of negligence compared to simple negligence. It involves a higher degree of carelessness or recklessness that goes beyond ordinary negligence. In terms of legal liability, gross negligence can result in more severe consequences and potentially higher damages awarded in a lawsuit compared to simple negligence.
Its negligence
Professional negligence called MALPRACTICES.
Negligence is the failure to exercise reasonable care, while gross negligence is a more serious form of negligence involving a reckless disregard for the safety of others. In terms of legal liability, gross negligence can result in more severe consequences and higher levels of liability compared to regular negligence.
'Negligence' is an abstract noun and does not take a plural form. You could refer to 'several instances of negligence' or 'numerous examples of negligence' or 'many types of negligence', or similar constructions, but you would not say 'several negligences'.
Professional negligence called MALPRACTICES.
Negligence happens in all professions, but when negligence happens in nursing it can be a matter of life and death. There are many examples of negligence which range from medication errors to neglect of the elderly.