本の[honno] mere
異本[ihon] different edition
一坪本社[hitotsubohonsha] small company headquarters located in Tokyo simply for name value
一本[ippon] one long cylindrical thing
一本気[ippongi] single-minded (esp. personality or person)

一本橋[ipponbashi] (a) log bridge
一本建て[ippondate] (a) single standard
一本松[ipponmatsu] solitary pine tree
一本杉[ipponsugi] (a) solitary cryptomeria tree
一本槍[ipponyari] guiding principle

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