neglect vs neglecter

neglect and neglecter both are nouns.

Word	Noun	Adjective	Verb	Adverb
neglect	Yes	No	Yes	No
neglecter	Yes	No	No	No

neglect (noun)	neglecter (noun)
failure to act with the prudence that a reasonable person would exercise under the same circumstances	a person who is neglectful and gives little attention or respect to people or responsibilities
willful lack of care and attention
the trait of neglecting responsibilities and lacking concern
lack of attention and due care
the state of something that has been unused and neglected

neglect (verb)	neglecter (verb)
leave undone or leave out
give little or no attention to
fail to attend to
fail to do something; leave something undone