| 杜 | もり | forest; shrine grove |
| 杜父魚 | かじか, とふぎょ, カジカ | sculpin (any fish of family Cottidae, inc. the bullheads and the miller's-thumb); Japanese fluvial sculpin (fish, Cottus pollux) |
| 杜撰 | ずさん | careless, sloppy, faulty; author who makes many mistakes, author who uses unsupported references |
| 杜漏 | ずろう | careless, negligent |
| 杜鵑 | ほととぎす, しき, ふじょき, とけん, しょっこん, くつてどり, とう | lesser cuckoo (Cuculus poliocephalus) |
| 杜宇 | ほととぎす, しき, ふじょき, とけん, しょっこん, くつてどり, とう | lesser cuckoo (Cuculus poliocephalus) |
| 杜父魚 | かくぶつ | fourspine sculpin (species of fish, Cottus kazika) |
| 杜夫魚 | かくぶつ | fourspine sculpin (species of fish, Cottus kazika) |
| 杜絶 | とぜつ | stoppage, interruption, cessation, suspension |
| 鎮守の杜 | ちんじゅのもり | grove of the village shrine |
