"ti" (unstressed i) before a vowel

ti to sh

otiose
consortium
motion
partial

t changes to s (spelled "c")

gracious
precious
special


s#y, z#y --> a lengthened "sh" or "zh"

democrac#y
plutocrac#y
autocrac#y
autops#y
ecstac#y
class#y
embass#y
dais#y


mis universe mish shuniverse
misuse mish-shuse (like mish shoes)
disunite dish-shunite
japanese zhen japanezhe zhen