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

偉績[iseki] glorious achievements
業績[gyouseki] achievement
業績悪化[gyousekiakka] downturn
勤務実績[kinmujisseki] service record
功績[kouseki] achievements

事績[jiseki] achievement
実績[jisseki] achievements
成績[seiseki] results
成績表[seisekihyou] report card
不成績[fuseiseki] poor result