Meanings by Kanji - 3 variations
In Japanese, there is a culture of Kanji which is a set of characters that originated from Chinese characters, and the meaning of the name changes according to the choice of Kanji characters.
The greater number of kanji variations, the more common name is in Japan. On the other hand, a name with a few variations of kanji is unique and not very familiar to Japanese people.
For Tsuzuki, Kanji choices are listed below, sorted by the total number of good.
津月 ～ Tsuzuki ～
都月 ～ Tsuzuki ～
都々王 ～ Tsuzuki ～
"都" is capital. "々" is a repetition kanji or ideographic iteration mark. "王" is king.