Nouns

(n)ruin, ruinationan irrecoverable state of devastation and destruction“you have brought ruin on this entire family”
(n)ruina ruined building“they explored several Roman ruins”
(n)dilapidation, ruinthe process of becoming dilapidated
(n)ruin, ruinationan event that results in destruction
(n)downfall, ruin, ruinationfailure that results in a loss of position or reputation
(n)laying waste, ruin, ruining, ruination, wreckingdestruction achieved by causing something to be wrecked or ruined

Verbs

(v)destroy, ruindestroy completely; damage irreparably“You have ruined my car by pouring sugar in the tank!”, “The tears ruined her make-up”
(v)ruindestroy or cause to fail“This behavior will ruin your chances of winning the election”
(v)bankrupt, ruin, break, smashreduce to bankruptcy“My daughter's fancy wedding is going to break me!”, “The slump in the financial markets smashed him”
(v)ruinreduce to ruins“The country lay ruined after the war”
(v)deflower, ruindeprive of virginity“This dirty old man deflowered several young girls in the village”
(v)ruinfall into ruin