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)

若し[moshi] if
若しかしたら[moshikashitara] perhaps
若しかして[moshikashite] perhaps
若しかすると[moshikasuruto] perhaps
若い[wakai] young

若さ[wakasa] youth
若しくは[moshikuha] or
若干[jakkan] some
若死に[wakajini] premature death
若者[wakamono] young man