Example
The English plural morpheme for nouns has three allomorphs:
(notation in SAMPA)
from: Iggy Roca and Wyn Johnson, a course in phonology, Blackwell, 1999; p. 621
... Royalist, can have several shades of meaning. At its simplest, it refers to an adherent of a monarch or royal family. Of the more specific uses of the term, the most ...