'Sacred name'.
They are both sacred.
posterior is similar in meaning to what?
It depends on your meaning of the word sacred, but at least one country has a sacred river--India. The sacred river is the Ganges. Other possible countries with sacred rivers--China, Tibet, Japan, Bhutan, Nepal.
There is no direct translation for the name Lauren in Hawaiian. However, you could use the Hawaiian name "Laulani" which has a similar sound and meaning, translated as "heavenly leaf" or "sacred leaf".
Poly has a similar meaning with multi-.
similar meaning
It is Turkish for "The Sacred Flame."
venerates
Sanctuaries.
similar in meaning to expedite.
Representative has a similar meaning to iconic.