1. Hint : Look up " allomorphs " in an online dictionary. 2. This kind of allomorphy is called a zero allomorph . 3. They also display a number of phonologically conditioned allomorphs . 4. For example, they could take the form of allomorphs of the same morpheme. 5. These are two phonologically-conditioned allomorphs . 6. The term " allomorph " explains the comprehension of phonological variations for specific morphemes. 7. Harmony determined whether a front vocalic or a back vocalic allomorph of a suffix was used. 8. Morpheme suffix categories may have one or more allomorphs , which are given in the table below. 9. The absolute suffix has a different allomorph when it occurs with a noun from each of these classes. 10. The choice of allomorph for a particular word is determined by the final phoneme of the noun stem.