偉功[ikou] great deed
遺功[ikou] works following the deceased
気功[kikou] breathing exercise
九仞の功[kyuujinnokou] spectacular success
勲功[kunkou] merits

軍功[gunkou] meritorious war service
蛍雪の功[keisetsunokou] the fruit of diligent study
功業[kougyou] exploit
功罪[kouzai] both good and bad
功績[kouseki] achievements

御土産[omiyage] present
混凝土[konkuriito] concrete
土耳古[toruko] Turkey
安土桃山時代[azuchimomoyamajidai] Azuchi-Momoyama period (approx. 1558-1600 CE)
王土[oudo] royal or imperial domain

黄土[oudo] earth
沖積土[chuusekido] alluvial soil
下層土[kasoudo] subsoil
火木土[kamokudo] Tue-Thurs-Sat
灰土[kaido] ashes and earth