How to read: こつこつ

Pronunciation:  

Same names and idioms in reading:
兀々  忽々  忽忽  兀兀  

Check stroke order for the words below:
戸籍抄本  伊志嶺  久織  鳩吹台  庄児  島隆  伊奈井  祝場  濡髪長五郎