ETYM Old Eng. bane destruction, AS. bana murderer; akin to Icel. bani death, murderer, Old High Germ. bana murder, bano murderer, Goth. banja stroke, wound, Greek phoneys murderer, phonos murder, OIr. bath death, benim I strike.
Something causes misery or death; SYN. curse, scourge, nemesis.

ETYM French déclin. Related to Decline.
1. A condition inferior to an earlier condition.
2. Change toward something smaller or lower; SYN. diminution.

Failure that results in a loss of position or reputation.

ETYM French, from Latin perditio, from perdere, perditum, to ruin, to lose; per (cf. Skr. parâ away) + -dere (only in comp.) to put.
1. Entire loss; utter destruction; ruin; esp., the utter loss of the soul, or of final happiness in a future state; future misery or eternal death.
2. Eternal damnation.
3. Damnation; hell.

ETYM Old Eng. ruine, French ruine, from Latin ruina, from ruere, rutum, to fall with violence, to rush or tumble down.
1. A ruined building.
2. An event that results in destruction; SYN. ruination.