井戸[ido] water well
井戸屋形[idoyakata] well roof
井戸掘り[idohori] well digging
井戸綱[idozuna] well rope
井戸車[idoguruma] well pulley

井戸水[idomizu] well water
井戸側[idogawa] well curb
井戸替え[idogae] well cleaning
井戸端[idobata] side of well
井戸端会議[idobatakaigi] content-free chat

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

移籍[iseki] changing household registry
医籍[iseki] register of physicians
縁籍[enseki] relatives
学籍[gakuseki] school register
軍籍[gunseki] military or naval register

原籍[genseki] original domicile
戸籍[koseki] census
戸籍係[kosekigakari] family registration official
国籍[kokuseki] nationality
国籍言語[kokusekigengo] national language

謄写[tousha] copy
謄写器[toushaki] copier
謄写版[toushaban] mimeograph

謄本[touhon] certified copy
戸籍謄本[kosekitouhon] official copy of the family register
証明謄本[shoumeitouhon] attested copy