| Subject | English | Japanese |
| tech. | defect compensation | 瑕疵補償 (かしほしょう) |
| construct. | defect detection | 欠陥検出 (けっかん・けんしゅつ) |
| construct. | defect detector | 欠陥検出装置 (けっかん・けんしゅつ・そうち) |
| gen. | defect in consent | 同意の瑕疵 |
| gen. | defect in form | 方式の瑕疵 |
| gen. | Defect Liability | かし責任 |
| gen. | defect liability period | 保証期間 (ほしょうきかん) |
| gen. | Defect Liability Period | かし担保期間 |
| gen. | defect mortgage | 瑕疵担保 (かしたんぽ) |
| tech. | defect of lacquer | 漆瘡 (しっそう) |
| gen. | n defect of memory | 記憶障害 |
| tech. | defect of tissue | 組織欠陥 (そしきけっかん) |
| construct. | defect removal | 欠陥除去 (けっかん・ぢょきょ) |
| gen. | pattern defect inspection system | パターン欠陥検査装置 |
| tech. | rail-defect detector | レール探傷車 (rēru-tanshōsha) |
| gen. | exp yoji trying to correct a small defect and ruining the whole thing | 矯角殺牛 |
| comp., MS | zero defect state | 欠陥ゼロ状態 (A point in the product cycle when the code does not generate errors that break a build) |