One category of verbal affixation is pronominal subject affixes. Partial reduplication typically involves the affixation of non-reduplicated segments. Bardi is highly affixal, containing both derivational and inflectional affixation. In this type of affixation an affix is inserted initially in a word. Two examples of the inflectional affixation within simple verbal predicates can be seen below. Root morphemes are essential for affixation and compounds. This combination of reduplication and affixation is commonly referred to as "fixed-segment reduplication". In this type of affixation an affix inserted somewhere in the middle of the word. In addition to affixation, reduplication is another morphophonological process of Jingulu. Derivational processes in nominal morphology include affixation and compounding. In terms of affixation, Jarawa has simple morphology as it takes prefixes and suffixes. Stem modifications (i.e. apophony) may co-occur with other morphological processes, such as affixation. The grammatical processes involved in verbal inflection in Totonac include affixation, suppletion, and cliticization. Numerals and pronouns are of the noun-type in terms of syntax and affixation patterns. It has a strong system of affixation, including both suffixes and prefixes.