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

案価[anka] low price
案じる[anjiru] to be anxious or concerned about
案の上[annojou] just as one thought
案下[anka] under the table
案外[angai] unexpectedly

案件[anken] matter in question
案山子[kakashi] scarecrow
案出[anshutsu] contrivance
案内[annai] information