1. The most important processes of Eastern Pomo morphology are suffixation and prefixation . 2. Kathlmat noun occurs with both prefixation and sufiixiation. 3. Simple possessives within Okanagan are predominantly a result of prefixation and circumfex ona verb. 4. Only prefixation and suffixation are attested. 5. Possessable nouns are characterized by a prefixation whereby the noun agrees with the possessor or genitival modifier. 6. The morphological process of stem alternation is achieved through affixation, in which suffixation is preferred to prefixation . 7. The variable word type may be affected by many prefixation , suffixation, infixation, reduplication, and glottalization. 8. Washo uses partial or total reduplication of verbs or nouns to indicate repetitive prefixation and suffixation on nouns and verbs. 9. In addition to suffixation and prefixation , Tzeltal uses the morphological processes of infixation, reduplication, and derive words. 10. Yurok Morphological processes include prefixation , infixtion, inflection, vowel harmony, ablaut, consonantal alternation, and reduplication.