Collocations for stench - noun

overpowering, overwhelming, powerful, strong
unmistakable
appalling (esp. BrE), awful, foul, horrible, nauseating, sickening, terrible, unpleasant
acrid, fetid, putrid

be filled with
The air was filled with the overpowering stench of decomposing vegetation.

stench of
The stench of death hung heavily over the land.