“…Typologically, all nine languages are suffixing languages. 3 However, among suffixing languages, they represent a great variety of morphological richness on the scale between the isolating language type (representing minimal morphological richness) and the agglutinating language type (representing maximal morphological richness (see Kilani-Schoch & Dressler, 2005;Sgall, 1999;Skalička, 1979) Because of the prominent role played by nouns and verbs in early development (Bates et al, 1994;Bittner, Dressler, & Kilani-Schoch, 2003;Tomasello & Merriman, 1995;Voeikova & Dressler, 2002), we have restricted our investigation to these two categories. The inflectional categories of nouns and verbs are treated as separate subsystems for typological reasons: a single language can have a rather rich verb inflection but a poor noun inflection (Yucatec Maya, Greek and French are examples of this pattern), or the other way round, although the latter case does not occur in the languages of our sample (for further details see Dressler, 2005;Laaha & Gillis, 2007).…”