treat vs treater

treat and treater both are nouns.

Word	Noun	Adjective	Verb	Adverb
treat	Yes	No	Yes	No
treater	Yes	No	No	No

treat (noun)	treater (noun)
an occurrence that causes special pleasure or delight	someone who negotiates (confers with others in order to reach a settlement)
something considered choice to eat

treat (verb)	treater (verb)
provide treatment for
subject to a process or treatment, with the aim of readying for some purpose, improving, or remedying a condition
regard or consider in a specific way
act on verbally or in some form of artistic expression
engage in negotiations in order to reach an agreement
provide with choice or abundant food or drink
provide with a gift or entertainment
interact in a certain way