incompetence / incompetents 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. 👇
incompetence: (noun) lack of physical or intellectual ability or qualifications. (noun) inability of a part or organ to function properly.
incompetents: (noun) someone who is not competent to take effective action.
incompetence: ih·n·k·AA·m·p·ah·t·ah·n·s
incompetents: ih·ng·k·AA·m·p·ah·t·ah·n·t·s
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)