In English grammar, a false singular occurs when a singular noun ending in a s or z sound is understood as a plural from which a new singular is constructed. English is a West Germanic language originating in England and is the First language for most people in the United Kingdom, the United States Grammar is the field of Linguistics that covers the Rules governing the use of any given natural language. In linguistics grammatical number is a Grammatical category of nouns pronouns and adjective and verb agreement that expresses count distinctions (such as "one" Plural is a Grammatical number, typically referring to more than one of the Referent in the real world The false singular is a form of back-formation. In Etymology, back-formation refers to the process of creating a new Lexeme (less precisely a new "word" by removing actual or supposed Affixes
Some false singulars become standard English. For example, pea was originally a false singular from pease pl. A pea (inaccurately called a '''sweet pea''' by food distubutors is most commonly the small spherical Seed or the seed-pod of the Legume Pisum peasen. (The old word remains in the phrase pease porridge. )
The non-standard historical forms Chinee and Portuguee are also false singulars, from Chinese and Portuguese.