AllomorphIn linguistics an allomorph is a variant of a morpheme. The meaning remains the same.
The English plural morpheme for nouns has three allomorphs:
- [z] day-s, pie-s, shampoo-s, piano-s, zebra-s
- [s] map-s, lot-s, birth-s
- [&z] ash-es, surprise-s, age-s, approach-es
from: Iggy Roca and Wyn Johnson, a course in phonology, Blackwell, 1999; p. 621