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

跆拳道[tekondoo] Tae Kwon Do
テレビ報道[terebihoudou] television report
悪の道へ誘う[akunomichiheizanau] to lead astray
悪虐無道[akugyakubudou] treacherous
悪道[akudou] wrong course

医事伝道[ijidendou] medical missionary work
医道[idou] the art of medicine
医療伝道[iryoudendou] medical missionary work
一筋道[hitosujimichi] straight road
一道[ichidou] one road