How do you say thigh in Japanese?
— 腿 (もも, momo); 太股 (ふともも, futomomo); 股 (もも, momo)

Group relationships for thigh in Japanese
bird鳥 (とり, tori); 鳥類 (ちょうるい, chōrui)
leg脚 (あし, ashí); 足 (あし, ashí)