 Similarly, in the example below, "nhi’' is the causer, and '‘ru’
" is the causee, which causes a bivalent verb to become a trivalent verb.Apurinã vowels are obligatorily nasalized by surrounding nasal vowels, even across word boundaries.Facundes’ dissertation (2000) explores morphology, a branch of linguistics that is centered on the study of words and focuses primarily on how words are formed, their grammatical structure, composition, and their relationship to other words in the same language.