コク

つ.げる

告, 牛, 口

revelation, tell, inform, announce

報告(ほうこく): report; information
広告(こうこく): advertisement
申告(しんこく): report; statement; filing a return; notification
警告(けいこく): warning; advice
告白(こくはく): (1) confession; acknowledgement; acknowledgment (2) profession of love (3) confession of sins (e.g. the confessional)
告げる(つげる): to inform; to tell; to ring (bell, alarm, warning, etc.)
勧告(かんこく): advice; counsel; remonstrance; recommendation
忠告(ちゅうこく): advice; warning
布告(ふこく): edict; ordinance; proclamation