preponderancy
/prɪˈpɒnd(ə)rənsi/ /prɪˈpɒnd(ə)r(ə)nsi/noun
1Superiority in power, influence, or importance; an instance of this; predominance.
2Superiority in number or amount, a majority; prevalence.
Origin
Mid 17th century (in an earlier sense). From preponder or its etymon classical Latin praeponderāre + -ancy.