As nouns the difference between supremacy and ascendancy
is that supremacy
is the quality of being supreme while ascendancy
is the process or period of one's ascent.
The quality of being supreme.
Power over all others.
When used with a designation for a particular group, the assertion that the group in question is superior to or should rule over others.
The process or period of one's ascent
Supremacy; superiority; dominant control; the quality of being in the ascendant
, date=January 15
, author=Phil McNulty
, title=Tottenham 0 - 0 Man Utd
, passage=Spurs ended the half in the ascendancy
and Van der Vaart was again inches away from giving them the lead when he met Bale's cross but his header flew wide.}}
A class of Protestant landowners and professionals that dominated political and social life in Ireland up to the early 20th century
* [W. B. Yeats] belonged not to the ascendancy class but to the protestant bourgeoisie.'' – Terry Eagleton, ''New Left Review , 1975