noun, takes genitive case の

Messages.yoji.
  1. as likely as not, fifty-fifty, even match, tie.

Variations

Pronunciation Kanji Kana Is Common
五分五分 ごぶごぶ
5分5分 ごぶごぶ

Contained Kanji Breakdown

five
ゴ い いつ (1st, N5)
part, minute of time, segment
ブン わ.ける ブ (2nd)
eight, eight radical (no. 12)
ハチ や はっ (1st, N5)
sword, saber, knife
かたな トウ ち (2nd, N1)