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

行殊[gyoujo] event
三人寄れば文殊の知恵[sanninyorebamonjunochie] two heads are better than one
殊に[kotoni] especially
殊の他[kotonohoka] exceedingly
殊勲[shukun] meritorious deeds

殊更[kotosara] intentionally
殊勝[shushou] admirable
特殊[tokushu] special
特殊機能[tokushukinou] special function
特殊鋼[tokushukou] special steel