bastardization

(countable, uncountable) The making of a bastard or bastards; Having children out of wedlock or destroying the legitimacy of children's paternity.
(countable, uncountable) The creation of offspring from two different species; cross-breeding.
(broadly, countable, uncountable) The combining of separate races in marriage or breeding; miscegenation.
(countable, uncountable) Any change or neologism in language that is viewed as a degradation.
(broadly, countable, uncountable) The creation of an inferior copy or version; corruption, degradation, or debasement.
(countable, uncountable) Activities involving harassment, abuse or humiliation used as a way of initiating a person into a group.