姑で終わる言葉

くわい【^▲慈^×姑】

an arrowhead；〔球根〕an arrowhead bulb

こじゅうと【小^×舅小^×姑】

〔男〕a brother-in-law ((複 brothers-～))；〔女〕a sister-in-law ((複 sisters-～))小じゅうととうまくいっていますI get along...

しゅうとめ【^×姑】

one's mother-in-law ((複 mothers-in-law))

よめしゅうとめ【嫁姑】

the relationship between a mother-in-law and her daughter in-law