Allomorph

This article is about a lingustic term. See Pseudomorph for another meaning of the word.

In linguistics an allomorph is a variant form of a morpheme. The meaning remains the same, while the sound can vary.

For example, in the English language the past tense morpheme is -ed. It occurs in several allomorphs

• as [Id] – in 'hunted',
• as [d] – in 'buzzed',
• as [t] – in 'fished'