noun (common) (futsuumeishi)noun or participle which takes the aux. verb suru digging deeply (below the surface);mining deep

noun (common) (futsuumeishi)noun or participle which takes the aux. verb suru probing deeply (issue, problem);investigating thoroughly

noun (common) (futsuumeishi)noun or participle which takes the aux. verb suru deepening relations

Shinbori

Somehori

Fukahori

Fukabori

Mihori