organized by compactness:

Within morphological causatives, this degree of compactness bears an important variable when considering the semantics of the two processes. For example, mechanisms that do not change the length of the word (internal change, tone change) are shorter than those that lengthen it. Of those that lengthen it, shorter changes are more compact than longer.

Verbs can be classified into four categories, according to how susceptible they are to morphological causativization:
# Inactive intransitives (faint)

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