O Israel
Yisra'el (yis-raw-ale')
he will rule as God; Jisrael, a symbolical name of Jacob; also (typically) of his posterity: --Israel.
thou hast destroyed
shachath (shaw-khath')
to decay, i.e. (causatively) ruin -- batter, cast off, corrupt(-er, thing), destroy(-er, -uction), lose, mar, perish, spill, spoiler, utterly, waste(-r).
thyself but in me is thine help
`ezer (ay'-zer)
aid -- help.