manners / manors are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
manners: (noun) social deportment.
manors: (noun) the mansion of a lord or wealthy person. (noun) the landed estate of a lord (including the house on it).
manners: m·AE·n·er·z
manors: m·AE·n·er·z
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)