恐らく[osoraku] perhaps
恐れ[osore] fear
恐れ戦く[osoreononoku] to tremble with fear
恐れ入る[osoreiru] to be sorry
恐ろしい[osoroshii] terrible

恐喝[kyoukatsu] blackmail
恐慌[kyoukou] panic
恐妻家[kyousaika] hen-pecked husband
恐妻病[kyousaibyou] wife-phobia
恐縮[kyoushuku] feeling obliged

熔く[toku] to dissolve (paint)
熔ける[tokeru] to melt
熔岩[yougan] lava
熔鉱炉[youkouro] smelting furnace
熔接[yousetsu] weld

熔融[youyuu] melting
熔解[youkai] melting
熔銑[yousen] molten iron
炉心熔融[roshinyouyuu] core meltdown
熔滓[youshi] slag