Every dynasty has different official titles.
Take the Han Dynasty as an example:
Title of military commander (from low to high):
Soldiers-Captain (,Changshui, Broken Thief, Wuwei)-Captain (,Scholars, Yushi)-General Bi, General Pian, General Bao, General Yamen-General Pingbei, General Pingxi, General Anxi, General Annan, General Anton-General Zhenbei, General Zhenxi, General Zhennan, General Zhendong-
Rank (from low to high):
Negotiator-Diannong, captain-right servant shot, left servant shot-Zhong Lang-Shi Lang-admonish doctor-main book-guardian order-Arsenal order-Okura order-Sima-Long Shi-engaged. Zhijinwu in Yu Lan-Chengzhong-Zhongshuling-Dahonglu-Taichang-Shangshuling-Weiwei-Dasinong
There is a one-to-one correspondence between civil and military officials and titles. . . . . .