Ascendant (adjective) غلبہ پانا، غالب، بالادست، عروج

rising in power or influence.
Example: “ascendant moderate factions in the party”
Synonyms: rising (in power), in the ascendant, on the up and up, on the way up, up-and-coming, on the rise
Antonyms: declining
Extermination (noun) ختم کردینا، مٹا دینا، کاروبار کے خاتمے کا عمل

killing, especially of a whole group of people or animals.
Example: “the near extermination of the buffalo herds”
Synonyms: killing, murder, assassination, putting to death, doing to death, execution, dispatch
Antonyms: bear, build, create, help