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

と言う訳だ[toiuwakeda] this is why
意訳[iyaku] free translation
英訳[eiyaku] English translation
音訳[onyaku] transliteration
改訳[kaiyaku] retranslation

完訳[kanyaku] complete translation
監訳[kanyaku] supervisor of translation
機械翻訳[kikaihonyaku] machine translation
旧訳[kyuuyaku] old translation
共訳[kyouyaku] team-translation (e.g. carried out by more than one person)