沁み沁み[shimijimi] earnestly
身に沁みる[minishimiru] to sink deeply into one's mind
沁みる[shimiru] to pierce

沁み込む[shimikomu] to soak into
沁透る[shimitooru] to soak through
沁み着く[shimitsuku] to be indelibly stained or ingrained

のめり込む[nomerikomu] to be completely absorbed in
圧し込む[heshikomu] to push into
意気込む[ikigomu] to be enthusiastic about
引込む[hikikomu] to draw in
引摺り込む[hikizurikomu] to drag in

引っ込み[hikkomi] retreat
引込思案[hikkomijian] reserved
引っ込む[hikkomu] to draw back
引っ込める[hikkomeru] to draw in
運び込む[hakobikomu] to carry in