dustyaja
dustyaja — although very difficult to give up; SB 5.8.26
dustyaja — which are extremely hard to give up; SB 8.20.7
dustyajā — extremely difficult to give up; SB 9.19.16
dustyaja — impossible to give up; SB 10.47.20
su-dustyaja — most difficult to give up; SB 11.5.34
su-dustyaja — impossible to give up; SB 11.29.46
dustyaja — difficult to give up; CC Adi 4.167-169