四(よ)つ子(ご) よつご noun quadruplets family 1. quadruplets Four children born together from a single pregnancy. From 四(よ)つ (four) plus 子(こ) (child), which voices to ご. 四(よ)つ子(ご)が生(う)まれた。🔊 Quadruplets were born. あの家(いえ)は四(よ)つ子(ご)を育(そだ)てている。🔊 That family is raising quadruplets. 四(よ)つ子(ご)を見分(みわ)けるのはとても難(むずか)しい。🔊 It's very hard to tell the quadruplets apart. 四(よ)つ (four) plus 子(こ) (child); こ voices to ご in the compound.Related words双子(ふたご): twins三(みつ)つ子(ご): triplets五(いつ)つ子(ご): quintupletsUsageThese multiple-birth words use the native counting series (双子(ふたご), 三(みつ)つ子(ご), 四(よ)つ子(ご), 五(いつ)つ子(ご)), not the Sino-Japanese numbers. Related Words Related: 双子(ふたご) (twins) Compare: 三(み)つ子(ご) (triplets) general Added 2026.5.27 12:08 · Revised 2026.9.2 13:02 28000/28217_yotsugo