| Subject | English | Japanese |
| el., acoust. | ear defender | イヤプロテクタ |
| el., acoust. | ear defender | 聴覚保護具 |
| el., acoust. | ear defender | イヤディフェンダ |
| comp., MS | Windows Defender alert level | Windows Defender 警告レベル (A classification of software that help you quickly understand if the item is harmful and whether you need to take action immediately or if you should review more details) |