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The Japanese word

九つ

is pronounced
kokonotsu | ここのつ
means
nine (traditional)
Examples:
新二は九つのココナッツを食べました。
shinji wa kokonotsu no kokonattsu o tabe mashi ta.
Shinji ate nine coconuts.
一つ、二つ、三つ、四つ、五つ、六つ、七つ、八つ、九つ、十。
hitotsu, futatsu, mittsu, yottsu, itsutsu, muttsu, nanatsu, yattsu, kokonotsu, jū.
One, two, three, four, five, six, seven, eight, nine, ten.
Examples sourced from tatoeba.org