双節棍[nunchaku] nunchaku (two linked fighting sticks)
一双[issou] pair (esp. of folding screens)
一卵性双生児[ichiranseisouseiji] identical twins
双紙[soushi] written work (esp. a bound text, as opposed to a scroll)
自己双対[jikosoutsui] self dual

双刃[moroha] double-edged
双暗車[souansha] twin propellers
双殻類[soukakurui] bivalves
双眼[sougan] both eyes

栴檀[sendan] chinaberry
栴檀は双葉より芳しい[sendanhafutabayorikanbashii] genius shows from childhood

栴檀は双葉より芳し[sendanhafutabayorikanbashi] Genius displays itself even in childhood

黒檀[kokutan] ebony
檀那[danna] master (of a house, shop, etc.)
檀君[dankun] mythical founder of Korea
白檀[byakudan] sandalwood
白檀油[byakudanyu] sandalwood oil

紫檀[shitan] rosewood
檀那寺[dannadera] temple to which a family belongs
檀徒[danto] temple supporter
檀家[danka] family which supports a temple
小檀[komayumi] spindle tree

遺芳[ihou] memory or autograph of deceased
芳しく無い[kanbashikunai] poor
芳紀[houki] age of a young lady who is at the peak of her (sexual) attractiveness
芳香[houkou] perfume
芳志[houshi] (your) kindness

芳名[houmei] good name
芳名録[houmeiroku] visitors' book
余芳[yohou] lingering fragrance
来客芳名録[raikyakuhoumeiroku] guest book
芳ばしい[koubashii] fragrant

アセンブリー言葉[asenburiikotoba] assembly language
一葉[ichiyou] one leaf
右葉[uyou] right lobe
押し葉[oshiba] pressed leaves
観葉植物[kanyoushokubutsu] decorative plant

棄言葉[sutekotoba] sharp parting remark
京葉[keiyou] Tokyo and Chiba
言葉[kotoba] language
言葉づかい[kotobazukai] speech
口言葉[kuchikotoba] spoken language