Consonant gradation/assimilation happens at the surface phonology and do not affect the morphological ground form. We have a similar voicing assimilation in Tur

Consonant gradation/assimilation happens at the surface phonology and do not affect the morphological ground form. We have a similar voicing assimilation in Turkish; however, devoicing is progressively applied and do not propagate more than one syllable, unlike Finnish.