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

涌き出す[wakidasu] to gush out
涌き上る[wakiagaru] to boil up
涌き起る[wakiokoru] to well up
涌き出る[wakideru] to gush forth
涌く[waku] to well (up)

涌出[youshutsu] gushing out
涌き立つ[wakitatsu] to appear suddenly
涌泉[yuusen] bubbling or gushing spring
涌き[waki] welling (up)