Vocabulary consisting only from characters you are able to read
工夫
kufuu
(1)scheme, device, scheming, devising, figuring out, coming up with, solving ingeniously, (2)dedication to spiritual improvement (esp. through Zen meditation); (sens) labourer, laborer, blue-collar suru
陰口
kageguchi
malicious gossip, backbiting, speaking ill behind someone's backkaiwa