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two
「二」 has other readings with different meanings.
two; 2
答えこたえは二ふたつに一ひとつだ。
The answer is one of two.
二ふた日かほど待っまってくれますか。
Could you wait about two days?
二に度ど目めのチャンスはないかもしれない。
There might not be a second chance.