杜父魚[tofugyo] sculpin (any fish of family Cottidae, inc. the bullheads and the miller's-thumb)
杜撰[zusan] careless
杜漏[zurou] careless
杜宇[hototogisu] lesser cuckoo (Cuculus poliocephalus)
杜夫魚[kakubutsu] fourspine sculpin (species of fish, Cottus kazika)

杜絶[tozetsu] stoppage
鎮守の杜[chinjunomori] grove of the village shrine
杜氏[touji] chief brewer at a sake brewery (after name of sake's alleged inventor)
杜若[kakitsubata] rabbitear iris (Iris laevigata)

汚職[oshoku] corruption
下級職[kakyuushoku] subordinate post
下職[shitashoku] subcontractor
家職[kashoku] one's trade or profession
解職[kaishoku] discharge

官職[kanshoku] government service
管理職[kanrishoku] management
閑職[kanshoku] leisurely post
休職[kyuushoku] temporary retirement
求職[kyuushoku] job hunting

田鵑[hototogisu] lesser cuckoo (Cuculus poliocephalus)
杜鵑草[hototogisu] toad lily (Tricyrtis hirta)

山杜鵑草[yamahototogisu] lesser cuckoo (Cuculus poliocephalus) (esp. one living in the mountains)
杜鵑花[tokenka] satsuki azalea (Rhododendron indicum)