相子

相(あい) (ai, “together, mutual”) + 子(こ) (-ko, diminutive suffix). (Can this⁽⁺⁾ etymology be sourced?)

• (Tokyo) あいこ [àíkó] (Heiban – [0])^[1]
• (Tokyo) あいこ [àíkóꜜ] (Odaka – [3])^[1]
• IPA^(key): [a̠iko̞]

相(あい)子(こ) • (aiko) ^{←あひこ (afiko)?}

1. a draw, standoff, tie (two parties have the same score)

   じゃんけんぽん！あいこでしょう！

   Jankenpon! Aiko deshō!

   Rock! Paper! Scissors! Oh, it is a draw!

   • 2013 February 6, “世界はグー・チョキ・パー [The world is rock, paper, and scissors]”, in Tetsuya Takeda (lyrics), 世界はグー・チョキ・パー [The world is rock, paper, and scissors], performed by Tetsuya Takeda:

     世界(せかい)はグーチョキパーでだから楽(たの)しくなるみんなちがうからあいこでしょ

     sekaiha gūchokipāde dakara tanoshiku naru minna chigau kara aikodesho

     The world is rock, paper, and scissors, that's why it is so interesting. Everyone is different, so let's let it be a draw.

2. quits, even, square

• This term is often spelled in kana, as あいこ.
• The even, square sense can be expressed with the honorific prefix 御 (o-), as in お相子 (o-aiko).

相(あい)子(こ) • (Aiko) ^{←あひこ (Afiko)?}

1. a female given name
2. a surname

From the on'yomi readings of 相 + 子 (-ko, common feminine suffix).

相(しょう)子(こ) • (Shōko) ^{←しやうこ (Syauko)?}

1. a female given name

相(そう)子(こ) • (Sōko) ^{←さうこ (Sauko)?}

1. a female given name

• “相子”, in 漢字ぺディア [Kanjipedia]‎^[1] (in Japanese), The Japan Kanji Aptitude Testing Foundation, 2015–2025