ɪn ˈɪsθməs zˈæpoʊɾək, ðə fˈoːɹ mˈeɪn kˈɔːsətˌɪv pɹˈiːfɪksᵻz ɑːɹ ˈædᵻd slˈæʃ kˈeɪ slˈæʃ, slˈæʃ sˈiː slˈæʃ, slˈæʃ zˈiː slˈæʃ, ænd slˈæʃ ˌoʊstɹˈoʊk slˈæʃ ænd æt tˈaɪmz, tˈuː ʌv ðˌɛm kæn biː fˈaʊnd ɪn ɐ vˈɜːb.
In Isthmus Zapotec, the four main causative prefixes are added /k-/, /si-/, /z-/, and /Ø-/ and at times, two of them can be found in a verb.