勁 strong 9 strokes. Jinmeiyō kanji, used in names. Readings ケイ (on reading): 発勁 (はっけい) fa jin; 勁捷 (けいしょう) strong and nimble つよい (kun reading) Components 巠 力 力 radical power 巛 radical curving river 工 radical craft Words using 勁 発勁 (はっけい) fa jin 勁捷 (けいしょう) strong and nimble 勁敵 (けいてき) formidable foe 勁悍 (けいかん) strong and fierce 勁草 (けいそう) wind-resistant blade of grass 7 words in all. Jinuma: Japanese Dictionary · Word lists