| Subject | English | Japanese |
| phys. | natural language | 自然言語 (しぜん・げんご) |
| ling. | n adj-no natural language | 自然言語 (しぜん・げんご) |
| gen. | natural language interface | 自然言語インタフェース |
| comp. | n natural language processing | 自然言語処理 |
| comp., MS | natural language searching | 自然言語検索 (A search method that lets you direct your search using conversational language) |
| gen. | natural language understanding | 言語理解 |
| comp. | n searching with natural language | 自然文検索 |