is  an umbrella term used to describe a number of definitions. For example, noise, in a derogatory fashion may imply the production of sound, of music or singing is unwanted and simply seen as a disturbance of the otherwise peaceful environment.
In linguistics, an allomorph is a variant form of a morpheme, that is, when a unit of meaning varies in sound without changing meaning. The term allomorph explains the comprehension of phonological variations for specific morphemes.
Definition of allelomorph from the Collins English Dictionary The dash ( â ) A spaced dash(i.e. with a single space before and after it) is used: at the beginning and end of a comment that interrupts the flow of a sentence.