ふたいとこ 二従兄弟 LinksSentence search for 二従兄弟Sentence search for ふたいとこSentence search for 二従姉妹Sentence search for 二従兄妹Sentence search for 二従姉弟Kanji details for 二, 従, 兄 and 弟Edit in JMdict Noun1. second cousinUsually written using kana alone, See also 又従兄弟 またいとこOther forms二従姉妹 【ふたいとこ】、二従兄妹 【ふたいとこ】、二従姉弟 【ふたいとこ】 Discussions Log in to talk about this word.