English nouns are inflected for grammatical number, meaning that if they are of the countable type, they generally have different forms for singular and plural. This article discusses the variety of ways in which English plural nouns are formed from the corresponding singular forms, as well as various issues concerning the usage of singulars and plurals in English.

In linguistics, umlaut is a sound change in which a vowel is pronounced more like a following vowel or semivowel. The term umlaut was originally coined in connection with the study of the Germanic languages, except from Gothic, in which the process occurred prominently in the history o…