既＝きKi and すでsude = already
知＝りri and しりsiri and ちti = know
既知 = きちkiti = already known
In the Kanji, there are a lot of Japanese syllabaries.
No do be known of an appropriate comparison it either.
Michael Joseph Jackson.(マイケル・ジャクソン)
Michael Schumacher.（ミハエル・シュマッハ）